洋葱学院北师大版初中7-9年级数学同步课程(初一至初三全套)

八年级上册（192课）

1-勾股定理

1-1-勾股定理的引入[zhiku66.com].mp4 [37.67MB]

1-10-用勾股定理解决实际问题[zhiku66.com].mp4 [22.51MB]

1-11-用勾股定理解决折叠问题[zhiku66.com].mp4 [21.50MB]

1-12-利用勾股定理作证明[zhiku66.com].mp4 [16.82MB]

1-2-勾股定理的发现[zhiku66.com].mp4 [14.83MB]

1-3-欧几里得证法[zhiku66.com].mp4 [37.79MB]

1-4-赵爽弦图证法与总统证法[zhiku66.com].mp4 [23.30MB]

1-5-用勾股定理计算边长[zhiku66.com].mp4 [18.95MB]

1-6-动点问题-点在直线上运动[zhiku66.com].mp4 [16.69MB]

1-7-动点问题-点在折线段上运动[zhiku66.com].mp4 [35.19MB]

1-8-一定是直角三角形吗[zhiku66.com].mp4 [36.80MB]

1-9-勾股定理与面积法[zhiku66.com].mp4 [17.16MB]

1-精讲1-直角三角形的构造[zhiku66.com].mp4 [21.65MB]

2-实数

2-1-实数的引入[zhiku66.com].mp4 [22.79MB]

2-10-立方根[zhiku66.com].mp4 [22.11MB]

2-11-平方根与立方根的计算[zhiku66.com].mp4 [21.47MB]

2-12-利用平方根与立方根解方程[zhiku66.com].mp4 [23.73MB]

2-13-实数比较大小与运算规律[zhiku66.com].mp4 [25.05MB]

2-14-估算[zhiku66.com].mp4 [19.48MB]

2-15-利用计算器开方[zhiku66.com].mp4 [25.26MB]

2-16-根号2也有组织[zhiku66.com].mp4 [28.75MB]

2-17-实数的绝对值和简单运算[zhiku66.com].mp4 [29.67MB]

2-18-二次根式的定义[zhiku66.com].mp4 [33.06MB]

2-19-积、商的算术平方根[zhiku66.com].mp4 [24.77MB]

2-2-平方根[zhiku66.com].mp4 [21.08MB]

2-20-最简二次根式的概念[zhiku66.com].mp4 [25.87MB]

2-21-二次根式定义的应用[zhiku66.com].mp4 [23.12MB]

2-22-二次根式性质的应用[zhiku66.com].mp4 [27.26MB]

2-23-二次根式的乘除法[zhiku66.com].mp4 [26.11MB]

2-24-二次根式乘除混合运算[zhiku66.com].mp4 [17.96MB]

2-25-二次根式的加减[zhiku66.com].mp4 [24.13MB]

2-26-分母有理化[zhiku66.com].mp4 [28.70MB]

2-27-化简根式与正负一致[zhiku66.com].mp4 [19.07MB]

2-28-最简二次根式进阶[zhiku66.com].mp4 [17.75MB]

2-29-复杂的二次根式乘法[zhiku66.com].mp4 [14.82MB]

2-3-算术平方根[zhiku66.com].mp4 [24.70MB]

2-30-二次根式混合计算-上[zhiku66.com].mp4 [27.30MB]

2-31-二次根式混合计算-下[zhiku66.com].mp4 [24.35MB]

2-32-二次根式的简算[zhiku66.com].mp4 [24.30MB]

2-33-与二次根式有关的比较大小[zhiku66.com].mp4 [25.92MB]

2-34-与二次根式有关的化简求值[zhiku66.com].mp4 [27.07MB]

2-35-巧解二次根式化简求值[zhiku66.com].mp4 [23.33MB]

2-4-二次根式的性质[zhiku66.com].mp4 [33.64MB]

2-5-求平方根与算术平方根[zhiku66.com].mp4 [21.49MB]

2-6-根据平方根求原数[zhiku66.com].mp4 [21.11MB]

2-7-算术平方根的非负性-上[zhiku66.com].mp4 [27.42MB]

2-8-算术平方根的非负性-下[zhiku66.com].mp4 [26.31MB]

2-9-平方根的整、小数部分[zhiku66.com].mp4 [26.09MB]

2-精讲1-实数中的程序框图[zhiku66.com].mp4 [19.79MB]

2-精讲2-实数中的新定义[zhiku66.com].mp4 [24.28MB]

2-精讲3-实数中的找规律[zhiku66.com].mp4 [26.83MB]

2-精讲4-二次根式找规律[zhiku66.com].mp4 [25.06MB]

2-精讲5-复合二次根式[zhiku66.com].mp4 [25.35MB]

3-位置与坐标

3-1-平面直角坐标系的引入[zhiku66.com].mp4 [17.89MB]

3-10-点的平移[zhiku66.com].mp4 [41.33MB]

3-11-点关于坐标轴对称[zhiku66.com].mp4 [32.16MB]

3-12-点关于原点对称[zhiku66.com].mp4 [24.11MB]

3-13-根据点的对称求字母[zhiku66.com].mp4 [15.62MB]

3-14-中点公式及其应用[zhiku66.com].mp4 [20.95MB]

3-2-有序数对[zhiku66.com].mp4 [19.97MB]

3-3-点的坐标[zhiku66.com].mp4 [27.47MB]

3-4-什么是象限[zhiku66.com].mp4 [24.13MB]

3-5-点到坐标轴的距离[zhiku66.com].mp4 [27.49MB]

3-6-给距离求坐标[zhiku66.com].mp4 [26.96MB]

3-7-根据点的位置求字母[zhiku66.com].mp4 [19.15MB]

3-8-图形面积计算_割补法[zhiku66.com].mp4 [40.97MB]

3-9-先建系再计算[zhiku66.com].mp4 [33.53MB]

3-精讲1-根据周长和面积求坐标[zhiku66.com].mp4 [18.24MB]

3-精讲10-坐标系中的新定义问题[zhiku66.com].mp4 [23.80MB]

3-精讲2-根据面积关系求坐标-上[zhiku66.com].mp4 [21.80MB]

3-精讲3-根据面积关系求坐标-下[zhiku66.com].mp4 [18.57MB]

3-精讲4-坐标系中的角度转化[zhiku66.com].mp4 [21.79MB]

3-精讲5-坐标系中找规律-上[zhiku66.com].mp4 [35.84MB]

3-精讲6-坐标系中找规律-下[zhiku66.com].mp4 [27.90MB]

3-精讲7-坐标系中的跑圈问题[zhiku66.com].mp4 [27.77MB]

3-精讲8-找规律之三角形图案[zhiku66.com].mp4 [23.82MB]

3-精讲9-找规律之正方形图案[zhiku66.com].mp4 [23.33MB]

3-总结1-总结视频[zhiku66.com].mp4 [29.41MB]

4-一次函数

4-1-一次函数的引入[zhiku66.com].mp4 [42.80MB]

4-10-读图象找数字[zhiku66.com].mp4 [29.49MB]

4-11-读图象找信息[zhiku66.com].mp4 [50.40MB]

4-12-函数概念总结[zhiku66.com].mp4 [34.45MB]

4-13-正比例函数的概念[zhiku66.com].mp4 [23.47MB]

4-14-正比例函数的图象[zhiku66.com].mp4 [27.33MB]

4-15-正比例函数的性质[zhiku66.com].mp4 [20.81MB]

4-16-k与倾斜程度[zhiku66.com].mp4 [25.78MB]

4-17-一次函数及其图象[zhiku66.com].mp4 [34.36MB]

4-18-一次函数的性质[zhiku66.com].mp4 [20.19MB]

4-19-一次函数图象辨析[zhiku66.com].mp4 [16.97MB]

4-2-变量与函数[zhiku66.com].mp4 [131.52MB]

4-20-图象的上下平移[zhiku66.com].mp4 [24.16MB]

4-21-图象的左右平移[zhiku66.com].mp4 [23.95MB]

4-22-一次函数与对称[zhiku66.com].mp4 [39.42MB]

4-23-一次函数应用题[zhiku66.com].mp4 [26.91MB]

4-24-一次函数的应用1[zhiku66.com].mp4 [19.08MB]

4-25-一次函数的应用2[zhiku66.com].mp4 [19.88MB]

4-26-一次函数的应用3[zhiku66.com].mp4 [25.80MB]

4-27-两点间距离公式[zhiku66.com].mp4 [21.55MB]

4-28-一次函数与面积问题-上[zhiku66.com].mp4 [30.06MB]

4-29-一次函数与面积问题-下[zhiku66.com].mp4 [24.34MB]

4-3-函数的解析式[zhiku66.com].mp4 [26.64MB]

4-30-绝对值函数的图象探究[zhiku66.com].mp4 [13.86MB]

4-31-一次函数中的图形找规律[zhiku66.com].mp4 [24.99MB]

4-32-新定义函数的图象辨析[zhiku66.com].mp4 [16.36MB]

4-4-自变量取值范围的实际意义[zhiku66.com].mp4 [30.91MB]

4-5-保证解析式有意义[zhiku66.com].mp4 [35.27MB]

4-6-函数图象的概念[zhiku66.com].mp4 [24.77MB]

4-7-描点作图法画图象[zhiku66.com].mp4 [27.82MB]

4-8-函数的三种表示方法[zhiku66.com].mp4 [31.39MB]

4-9-辨别函数图象[zhiku66.com].mp4 [40.21MB]

4-精讲1-一次函数与弦图模型[zhiku66.com].mp4 [18.41MB]

4-精讲2-一次函数中的动线段问题[zhiku66.com].mp4 [25.16MB]

4-精讲3-垂直直线的斜率关系[zhiku66.com].mp4 [30.22MB]

4-总结1-一次函数总结[zhiku66.com].mp4 [37.80MB]

5-二元一次方程

5-1-二元一次方程组的引入[zhiku66.com].mp4 [9.87MB]

5-10-代入法之整体代入法[zhiku66.com].mp4 [25.75MB]

5-11-加减法之直接加减法[zhiku66.com].mp4 [27.99MB]

5-12-换元解方程组[zhiku66.com].mp4 [29.81MB]

5-13-比例换元法[zhiku66.com].mp4 [38.36MB]

5-14-方程组的解与含参问题-上[zhiku66.com].mp4 [24.12MB]

5-15-方程组的解与含参问题-下[zhiku66.com].mp4 [28.16MB]

5-16-方程组的解的情况[zhiku66.com].mp4 [42.00MB]

5-17-消元法总结[zhiku66.com].mp4 [38.90MB]

5-18-列方程组解应用题[zhiku66.com].mp4 [20.21MB]

5-19-最优方案类问题[zhiku66.com].mp4 [55.83MB]

5-2-二元一次方程和解[zhiku66.com].mp4 [37.81MB]

5-20-借助表格列方程组-上[zhiku66.com].mp4 [23.83MB]

5-21-借助表格列方程组-下[zhiku66.com].mp4 [20.52MB]

5-22-设谁为未知数-上[zhiku66.com].mp4 [25.35MB]

5-23-设谁为未知数-下[zhiku66.com].mp4 [34.38MB]

5-24-如何寻找等量关系-上[zhiku66.com].mp4 [15.85MB]

5-25-如何寻找等量关系-下[zhiku66.com].mp4 [24.29MB]

5-26-一次函数与方程[zhiku66.com].mp4 [31.29MB]

5-27-一次函数与方程组[zhiku66.com].mp4 [26.98MB]

5-28-待定系数法求解析式[zhiku66.com].mp4 [49.09MB]

5-29-解三元一次方程组[zhiku66.com].mp4 [34.98MB]

5-3-二元一次方程组[zhiku66.com].mp4 [17.05MB]

5-30-解对称方程组[zhiku66.com].mp4 [20.96MB]

5-4-方程组的解[zhiku66.com].mp4 [22.84MB]

5-5-代入消元法[zhiku66.com].mp4 [22.99MB]

5-6-继续代入消元法[zhiku66.com].mp4 [15.74MB]

5-7-加减消元法[zhiku66.com].mp4 [38.56MB]

5-8-代入还是加减[zhiku66.com].mp4 [23.76MB]

5-9-解复杂的方程组[zhiku66.com].mp4 [23.42MB]

5-精讲1-方程组整数解问题[zhiku66.com].mp4 [21.72MB]

5-精讲2-解不定方程组[zhiku66.com].mp4 [23.20MB]

5-精讲3-方程思想与方程组[zhiku66.com].mp4 [30.99MB]

5-精讲4-斜率公式及其应用[zhiku66.com].mp4 [25.82MB]

6-数据的分析

6-1-加权平均数[zhiku66.com].mp4 [27.58MB]

6-10-波动程度的变化规律[zhiku66.com].mp4 [18.18MB]

6-11-统计量的应用-上[zhiku66.com].mp4 [24.13MB]

6-12-统计量的应用-下[zhiku66.com].mp4 [27.27MB]

6-2-频数与加权平均数[zhiku66.com].mp4 [32.71MB]

6-3-根据样本估计总体[zhiku66.com].mp4 [27.77MB]

6-4-中位数[zhiku66.com].mp4 [26.76MB]

6-5-众数[zhiku66.com].mp4 [25.46MB]

6-6-从统计图分析数据集中趋势[zhiku66.com].mp4 [34.21MB]

6-7-集中趋势的变化规律[zhiku66.com].mp4 [22.82MB]

6-8-数据的波动程度[zhiku66.com].mp4 [23.13MB]

6-9-方差[zhiku66.com].mp4 [31.23MB]

7-平行线的证明

7-1-为什么要证明[zhiku66.com].mp4 [53.59MB]

7-10-平行线的复杂证明[zhiku66.com].mp4 [20.14MB]

7-11-三角形的内角[zhiku66.com].mp4 [17.70MB]

7-12-三角形的外角[zhiku66.com].mp4 [19.34MB]

7-13-三角形外角的性质[zhiku66.com].mp4 [17.40MB]

7-14-三角形内外角代数应用[zhiku66.com].mp4 [12.33MB]

7-15-三角形内外角几何应用[zhiku66.com].mp4 [16.88MB]

7-16-三角形与平行线[zhiku66.com].mp4 [14.49MB]

7-17-三角形中的角度证明[zhiku66.com].mp4 [21.44MB]

7-18-三角形折叠与角度[zhiku66.com].mp4 [18.95MB]

7-19-两内角平分线求角[zhiku66.com].mp4 [12.77MB]

7-2-命题、定理、证明[zhiku66.com].mp4 [34.73MB]

7-20-内外角平分线求角[zhiku66.com].mp4 [15.45MB]

7-21-两外角平分线求角[zhiku66.com].mp4 [13.17MB]

7-22-两同类角等分线求角[zhiku66.com].mp4 [14.03MB]

7-23-8字型中的角度关系_1[zhiku66.com].mp4 [20.38MB]

7-24-寻找隐藏的8字型[zhiku66.com].mp4 [13.98MB]

7-3-平行线的判定定理[zhiku66.com].mp4 [29.44MB]

7-4-平行线判定的应用[zhiku66.com].mp4 [19.51MB]

7-5-判断直线的位置关系[zhiku66.com].mp4 [19.01MB]

7-6-平行线的性质[zhiku66.com].mp4 [24.90MB]

7-7-平行线性质的应用[zhiku66.com].mp4 [16.00MB]

7-8-子弹图与猪手图进阶[zhiku66.com].mp4 [22.18MB]

7-9-平行与多次折线问题[zhiku66.com].mp4 [23.88MB]

7-精讲1-平行线中的分类讨论[zhiku66.com].mp4 [15.31MB]

7-精讲2-平行线的最复杂证明[zhiku66.com].mp4 [17.55MB]

7-精讲3-平行线的复杂计算[zhiku66.com].mp4 [23.00MB]

7-精讲4-平行线的最复杂计算[zhiku66.com].mp4 [27.49MB]

7-精讲5-三角形与多边形计算[zhiku66.com].mp4 [14.30MB]

7-精讲6-三角形与多边形证明[zhiku66.com].mp4 [21.86MB]

7-精讲7-飞镖模型与角平分线[zhiku66.com].mp4 [19.70MB]

7-总结1-三角形总结[zhiku66.com].mp4 [18.59MB]

八年级下册（165课）

1-三角形的证明

1-1-等腰三角形[zhiku66.com].mp4 [24.27MB]

1-10-等边三角形组图(上)[zhiku66.com].mp4 [18.78MB]

1-11-等边三角形组图(下)[zhiku66.com].mp4 [16.20MB]

1-12-逆命题与逆定理[zhiku66.com].mp4 [40.26MB]

1-13-勾股定理的逆定理[zhiku66.com].mp4 [31.07MB]

1-14-判定定理HL[zhiku66.com].mp4 [33.25MB]

1-15-证明直角三角形[zhiku66.com].mp4 [18.81MB]

1-16-特殊直角三角形的三边关系[zhiku66.com].mp4 [28.00MB]

1-17-两类特殊三角形的面积[zhiku66.com].mp4 [22.39MB]

1-18-勾股定理与面积法-上[zhiku66.com].mp4 [17.46MB]

1-19-勾股定理与面积法-下[zhiku66.com].mp4 [16.45MB]

1-2-等腰三角形的判定[zhiku66.com].mp4 [24.50MB]

1-20-立体图形中的最短路径[zhiku66.com].mp4 [16.57MB]

1-21-利用勾股定理列方程-上[zhiku66.com].mp4 [18.63MB]

1-22-利用勾股定理列方程-下[zhiku66.com].mp4 [19.67MB]

1-23-判断全等三角形[zhiku66.com].mp4 [12.61MB]

1-24-证明全等三角形[zhiku66.com].mp4 [15.03MB]

1-25-双垂图与全等[zhiku66.com].mp4 [22.56MB]

1-26-全等与倒角[zhiku66.com].mp4 [20.42MB]

1-27-垂直平分线的性质[zhiku66.com].mp4 [31.44MB]

1-28-证明点在垂直平分线上[zhiku66.com].mp4 [28.81MB]

1-29-线段垂直平分线作图[zhiku66.com].mp4 [30.27MB]

1-3-等腰三角形中的分类讨论[zhiku66.com].mp4 [17.94MB]

1-30-垂直平分线性质的应用[zhiku66.com].mp4 [18.82MB]

1-31-将军饮马问题[zhiku66.com].mp4 [16.65MB]

1-32-坐标系中的将军饮马-上[zhiku66.com].mp4 [17.91MB]

1-33-坐标系中的将军饮马-下[zhiku66.com].mp4 [27.06MB]

1-34-角平分线的性质与判定[zhiku66.com].mp4 [22.86MB]

1-35-角平分线性质的应用[zhiku66.com].mp4 [17.14MB]

1-36-角平分线判定的应用[zhiku66.com].mp4 [18.56MB]

1-4-多个等腰三角形求角度[zhiku66.com].mp4 [20.10MB]

1-5-等腰三角形综合应用[zhiku66.com].mp4 [18.63MB]

1-6-等边三角形[zhiku66.com].mp4 [24.17MB]

1-7-等边三角形的判定[zhiku66.com].mp4 [18.84MB]

1-8-30°直角三角形性质应用[zhiku66.com].mp4 [19.09MB]

1-9-等边三角形综合应用[zhiku66.com].mp4 [20.65MB]

1-精讲1-含15°角的直角三角形[zhiku66.com].mp4 [20.40MB]

1-精讲10-利用勾股定理构造图形[zhiku66.com].mp4 [21.21MB]

1-精讲11-倍长中线大法[zhiku66.com].mp4 [19.15MB]

1-精讲12-中点引出的倍长问题[zhiku66.com].mp4 [18.22MB]

1-精讲13-SSA为什么不全等[zhiku66.com].mp4 [22.03MB]

1-精讲14-通过SSA构造全等[zhiku66.com].mp4 [19.12MB]

1-精讲15-通过角平分线构造全等[zhiku66.com].mp4 [19.16MB]

1-精讲16-征服角平分线全等难题[zhiku66.com].mp4 [18.11MB]

1-精讲17-构造等边三角形(上)[zhiku66.com].mp4 [14.69MB]

1-精讲18-构造等边三角形(下)[zhiku66.com].mp4 [16.03MB]

1-精讲2-特殊角在计算中的应用[zhiku66.com].mp4 [24.10MB]

1-精讲3-已知三角形两边及夹角求第三边[zhiku66.com].mp4 [17.73MB]

1-精讲4-构造特殊的直角三角形[zhiku66.com].mp4 [19.89MB]

1-精讲5-用勾股定理求三角形的高[zhiku66.com].mp4 [20.98MB]

1-精讲6-用勾股定理求三角形的中线[zhiku66.com].mp4 [22.12MB]

1-精讲7-作垂线计算线段长度[zhiku66.com].mp4 [21.09MB]

1-精讲8-勾股定理与构造等边三角形[zhiku66.com].mp4 [19.84MB]

1-精讲9-勾股定理与将军饮马[zhiku66.com].mp4 [27.88MB]

2-一元一次不等式与一元一次不等式组

2-1-不等式引入[zhiku66.com].mp4 [15.67MB]

2-10-依据解求参数的取值范围[zhiku66.com].mp4 [12.83MB]

2-11-绝对值不等式[zhiku66.com].mp4 [17.99MB]

2-12-依据不等式的解集求参数[zhiku66.com].mp4 [15.18MB]

2-13-列不等式解应用题[zhiku66.com].mp4 [16.57MB]

2-14-一次函数与不等式[zhiku66.com].mp4 [30.52MB]

2-15-根据一次函数图象解不等式[zhiku66.com].mp4 [25.65MB]

2-16-玩转k和b[zhiku66.com].mp4 [24.34MB]

2-17-增减性的应用-上[zhiku66.com].mp4 [18.64MB]

2-18-增减性的应用-下[zhiku66.com].mp4 [22.66MB]

2-19-不等式组及其解集[zhiku66.com].mp4 [42.05MB]

2-2-不等式与不等关系[zhiku66.com].mp4 [22.77MB]

2-20-不等式组的解法[zhiku66.com].mp4 [25.82MB]

2-21-解不等式组进阶[zhiku66.com].mp4 [16.60MB]

2-22-一元二次不等式与分式不等式[zhiku66.com].mp4 [18.56MB]

2-23-列不等式组解应用题[zhiku66.com].mp4 [18.27MB]

2-24-解集的分类讨论[zhiku66.com].mp4 [16.31MB]

2-25-求参数的取值范围[zhiku66.com].mp4 [13.45MB]

2-3-不等式的性质1和2[zhiku66.com].mp4 [29.14MB]

2-4-不等式的性质3[zhiku66.com].mp4 [26.28MB]

2-5-不等式与不等式的解集[zhiku66.com].mp4 [36.36MB]

2-6-不等式概念辨析[zhiku66.com].mp4 [18.03MB]

2-7-参数判断之分类讨论[zhiku66.com].mp4 [18.67MB]

2-8-用不等式的性质比大小[zhiku66.com].mp4 [19.72MB]

2-9-一元一次不等式[zhiku66.com].mp4 [25.06MB]

2-精讲1-依据不等式的解集求参数进阶[zhiku66.com].mp4 [10.70MB]

2-精讲2-依据整数解求参数[zhiku66.com].mp4 [13.97MB]

2-精讲3-一次函数与动点问题[zhiku66.com].mp4 [36.12MB]

2-总结1-总结[zhiku66.com].mp4 [25.29MB]

3-图形的平移与旋转

3-1-平移[zhiku66.com].mp4 [24.28MB]

3-10-旋转对称性[zhiku66.com].mp4 [27.80MB]

3-11-旋转出全等[zhiku66.com].mp4 [17.83MB]

3-12-旋转角谜题[zhiku66.com].mp4 [18.56MB]

3-13-旋转与点的坐标变换[zhiku66.com].mp4 [16.26MB]

3-14-平面直角坐标系中的旋转[zhiku66.com].mp4 [17.28MB]

3-15-图案设计[zhiku66.com].mp4 [18.99MB]

3-2-旋转的引入[zhiku66.com].mp4 [18.40MB]

3-3-旋转的概念[zhiku66.com].mp4 [25.78MB]

3-4-旋转的性质[zhiku66.com].mp4 [22.40MB]

3-5-画出旋转后的图形[zhiku66.com].mp4 [36.76MB]

3-6-找两个图形的旋转中心[zhiku66.com].mp4 [13.02MB]

3-7-中心对称的概念[zhiku66.com].mp4 [21.23MB]

3-8-中心对称的性质[zhiku66.com].mp4 [21.70MB]

3-9-中心对称的作图[zhiku66.com].mp4 [34.85MB]

3-精讲1-旋转全等三角形[zhiku66.com].mp4 [19.27MB]

3-精讲2-旋转全等与旋转角[zhiku66.com].mp4 [16.92MB]

3-精讲3-构造旋转全等(上)[zhiku66.com].mp4 [19.73MB]

3-精讲4-旋转中的最值(上)[zhiku66.com].mp4 [20.93MB]

3-精讲5-旋转中的最值(下)[zhiku66.com].mp4 [19.47MB]

3-总结1-旋转总结[zhiku66.com].mp4 [22.80MB]

4-因式分解

4-1-什么是因式分解[zhiku66.com].mp4 [27.82MB]

4-10-十字相乘法-上[zhiku66.com].mp4 [18.92MB]

4-11-十字相乘法-下[zhiku66.com].mp4 [17.89MB]

4-12-首项系数不为1的十字相乘[zhiku66.com].mp4 [32.12MB]

4-13-十字相乘法进阶-上[zhiku66.com].mp4 [16.81MB]

4-14-十字相乘法进阶-下[zhiku66.com].mp4 [17.93MB]

4-2-提公因式法因式分解[zhiku66.com].mp4 [25.68MB]

4-3-提公因式法进阶-上[zhiku66.com].mp4 [19.51MB]

4-4-提公因式法进阶-下[zhiku66.com].mp4 [15.91MB]

4-5-用公式法因式分解[zhiku66.com].mp4 [28.82MB]

4-6-公式法进阶-上[zhiku66.com].mp4 [16.38MB]

4-7-公式法进阶-下[zhiku66.com].mp4 [20.68MB]

4-8-提公因式法与公式法综合[zhiku66.com].mp4 [17.49MB]

4-9-什么是十字相乘法[zhiku66.com].mp4 [27.68MB]

4-精讲1-分组分解法因式分解-上[zhiku66.com].mp4 [29.60MB]

4-精讲2-分组分解法因式分解-下[zhiku66.com].mp4 [25.54MB]

4-精讲3-分组分解法进阶[zhiku66.com].mp4 [22.37MB]

4-精讲4-因式分解综合-上[zhiku66.com].mp4 [21.85MB]

4-精讲5-因式分解综合-下[zhiku66.com].mp4 [18.44MB]

4-精讲6-用换元法因式分解[zhiku66.com].mp4 [22.33MB]

5-分式与分式方程

5-1-分式的引入[zhiku66.com].mp4 [17.79MB]

5-10-分式的乘方[zhiku66.com].mp4 [14.52MB]

5-11-分式的通分[zhiku66.com].mp4 [20.75MB]

5-12-分式的加减[zhiku66.com].mp4 [26.60MB]

5-13-分式的四则混合运算[zhiku66.com].mp4 [39.60MB]

5-14-分式的化简求值[zhiku66.com].mp4 [19.89MB]

5-15-见比设k[zhiku66.com].mp4 [19.76MB]

5-16-分式方程[zhiku66.com].mp4 [30.72MB]

5-17-分式方程应用题[zhiku66.com].mp4 [31.94MB]

5-2-分式的概念[zhiku66.com].mp4 [19.18MB]

5-3-分式有意义的条件[zhiku66.com].mp4 [16.52MB]

5-4-分式有意义的条件进阶[zhiku66.com].mp4 [17.07MB]

5-5-分式的基本性质[zhiku66.com].mp4 [22.41MB]

5-6-分式的约分[zhiku66.com].mp4 [15.23MB]

5-7-分式的值-上[zhiku66.com].mp4 [20.47MB]

5-8-分式的值-下[zhiku66.com].mp4 [19.92MB]

5-9-分式的乘除[zhiku66.com].mp4 [23.77MB]

5-精讲1-分式的变形与求值技巧[zhiku66.com].mp4 [21.35MB]

5-精讲2-变形与求值技巧进阶[zhiku66.com].mp4 [22.36MB]

5-精讲3-分式的拆分[zhiku66.com].mp4 [22.67MB]

6-平行四边形

6-1-平行四边形的引入[zhiku66.com].mp4 [16.73MB]

6-10-平行线间的距离[zhiku66.com].mp4 [21.72MB]

6-11-借助全等判定平行四边形[zhiku66.com].mp4 [20.32MB]

6-12-借助平行四边形判定平行四边形[zhiku66.com].mp4 [27.90MB]

6-13-平行四边形中的动点问题[zhiku66.com].mp4 [31.59MB]

6-14-三角形的中位线[zhiku66.com].mp4 [32.18MB]

6-15-三角形中位线与平行四边形综合[zhiku66.com].mp4 [33.45MB]

6-16-多边形内角和[zhiku66.com].mp4 [25.59MB]

6-17-多边形外角和[zhiku66.com].mp4 [25.56MB]

6-2-四边形的边、角和对角线[zhiku66.com].mp4 [13.45MB]

6-3-认识平行四边形[zhiku66.com].mp4 [33.99MB]

6-4-发现平行四边形的性质[zhiku66.com].mp4 [37.60MB]

6-5-证明平行四边形的性质[zhiku66.com].mp4 [24.96MB]

6-6-平行四边形中的角平分线[zhiku66.com].mp4 [26.05MB]

6-7-坐标系中的平行四边形[zhiku66.com].mp4 [29.82MB]

6-8-平行四边形的判定定理(上)[zhiku66.com].mp4 [31.37MB]

6-9-平行四边形的判定定理(下)[zhiku66.com].mp4 [45.08MB]

6-精讲1-构造中位线基础[zhiku66.com].mp4 [24.17MB]

6-精讲2-构造中位线进阶[zhiku66.com].mp4 [33.45MB]

6-精讲3-一次函数与几何-上[zhiku66.com].mp4 [25.16MB]

6-精讲4-一次函数与几何-下[zhiku66.com].mp4 [28.17MB]

九年级上册（121课）

1-特殊平行四边形

1-1-认识菱形[zhiku66.com].mp4 [29.80MB]

1-10-直角三角形斜边上的中线[zhiku66.com].mp4 [27.41MB]

1-11-中位线与直角三角形斜边上的中线[zhiku66.com].mp4 [27.33MB]

1-12-构造直角三角形斜边中线[zhiku66.com].mp4 [27.41MB]

1-13-认识正方形[zhiku66.com].mp4 [17.41MB]

1-14-判定正方形[zhiku66.com].mp4 [27.94MB]

1-15-正方形与全等三角形[zhiku66.com].mp4 [29.46MB]

1-16-正方形中的翻折[zhiku66.com].mp4 [28.34MB]

1-17-正方形与特殊角(上)[zhiku66.com].mp4 [25.33MB]

1-18-正方形与特殊角(下)[zhiku66.com].mp4 [29.87MB]

1-19-正方形与弦图[zhiku66.com].mp4 [28.47MB]

1-2-认识菱形的性质[zhiku66.com].mp4 [32.01MB]

1-20-正方形与组图(上)[zhiku66.com].mp4 [28.06MB]

1-21-正方形与组图(下)[zhiku66.com].mp4 [31.43MB]

1-22-中点四边形[zhiku66.com].mp4 [25.23MB]

1-23-中点四边形的应用[zhiku66.com].mp4 [28.92MB]

1-3-证明菱形的性质[zhiku66.com].mp4 [17.97MB]

1-4-菱形的判定定理[zhiku66.com].mp4 [24.89MB]

1-5-特殊四边形的周长与面积[zhiku66.com].mp4 [18.30MB]

1-6-认识矩形[zhiku66.com].mp4 [29.20MB]

1-7-发现矩形的性质[zhiku66.com].mp4 [21.74MB]

1-8-证明矩形的性质[zhiku66.com].mp4 [16.37MB]

1-9-矩形的判定定理[zhiku66.com].mp4 [37.11MB]

1-精讲1-四边形与倍长中线(上)[zhiku66.com].mp4 [24.48MB]

1-精讲2-四边形与倍长中线(下)[zhiku66.com].mp4 [15.70MB]

1-精讲3-四边形与角平分线[zhiku66.com].mp4 [27.12MB]

1-精讲4-四边形与平移变换[zhiku66.com].mp4 [24.04MB]

1-精讲5-四边形与对称变换[zhiku66.com].mp4 [27.26MB]

1-精讲6-四边形与旋转变换[zhiku66.com].mp4 [22.27MB]

1-精讲7-四边形与最值问题[zhiku66.com].mp4 [33.72MB]

1-精讲8-费马点问题[zhiku66.com].mp4 [29.90MB]

2-一元二次方程

2-1-一元二次方程的引入[zhiku66.com].mp4 [17.12MB]

2-10-公式法[zhiku66.com].mp4 [34.07MB]

2-11-判断方程解的情况[zhiku66.com].mp4 [20.12MB]

2-12-根据解的情况求参数[zhiku66.com].mp4 [15.31MB]

2-13-分类讨论解的情况[zhiku66.com].mp4 [18.94MB]

2-14-因式分解法[zhiku66.com].mp4 [29.74MB]

2-15-活用降次解方程[zhiku66.com].mp4 [14.75MB]

2-16-解含参方程[zhiku66.com].mp4 [22.80MB]

2-17-分类讨论解含参方程[zhiku66.com].mp4 [19.47MB]

2-18-根与系数的关系[zhiku66.com].mp4 [40.26MB]

2-19-利用韦达定理求值[zhiku66.com].mp4 [17.39MB]

2-2-一元二次方程的定义[zhiku66.com].mp4 [21.06MB]

2-20-利用韦达定理求值进阶[zhiku66.com].mp4 [15.63MB]

2-21-递增递减问题[zhiku66.com].mp4 [20.46MB]

2-22-薄利多销问题[zhiku66.com].mp4 [14.31MB]

2-23-图案面积问题[zhiku66.com].mp4 [21.56MB]

2-3-方程的一般形式[zhiku66.com].mp4 [29.82MB]

2-4-一元二次方程的解[zhiku66.com].mp4 [18.42MB]

2-5-直接开平方法[zhiku66.com].mp4 [27.56MB]

2-6-配完全平方[zhiku66.com].mp4 [47.84MB]

2-7-配方法[zhiku66.com].mp4 [40.36MB]

2-8-推导求根公式[zhiku66.com].mp4 [38.27MB]

2-9-根的判别式[zhiku66.com].mp4 [37.85MB]

2-精讲1-用韦达定理反求方程[zhiku66.com].mp4 [18.36MB]

2-精讲2-用韦达定理求参数[zhiku66.com].mp4 [21.48MB]

2-精讲3-二次方程与代数式求值[zhiku66.com].mp4 [18.79MB]

2-精讲4-二次方程的整数解[zhiku66.com].mp4 [22.88MB]

2-精讲5-二次方程的公共解[zhiku66.com].mp4 [19.86MB]

3-概率的进一步认识

3-1-列表求概率[zhiku66.com].mp4 [40.35MB]

3-2-画树状图求概率[zhiku66.com].mp4 [34.04MB]

3-3-应用概率[zhiku66.com].mp4 [28.53MB]

3-4-用频率估计概率[zhiku66.com].mp4 [30.78MB]

3-5-体验用频率估计概率[zhiku66.com].mp4 [20.72MB]

3-精讲1-复杂问题中的概率-上[zhiku66.com].mp4 [27.95MB]

3-精讲2-复杂问题的概率-下[zhiku66.com].mp4 [14.70MB]

4-图形的相似

4-1-成比例线段[zhiku66.com].mp4 [29.31MB]

4-10-SAS相似[zhiku66.com].mp4 [34.15MB]

4-11-SSS与HL相似[zhiku66.com].mp4 [36.07MB]

4-12-如何找相似三角形[zhiku66.com].mp4 [38.12MB]

4-13-黄金分割[zhiku66.com].mp4 [48.43MB]

4-14-利用相似三角形测高[zhiku66.com].mp4 [25.03MB]

4-15-相似三角形的性质[zhiku66.com].mp4 [30.98MB]

4-16-实际问题中的相似[zhiku66.com].mp4 [17.34MB]

4-17-相似三角形性质的应用[zhiku66.com].mp4 [24.23MB]

4-18-相似三角形判定与性质-上[zhiku66.com].mp4 [23.91MB]

4-19-相似三角形判定与性质-下[zhiku66.com].mp4 [22.88MB]

4-2-平行线分线段成比例[zhiku66.com].mp4 [39.03MB]

4-20-相似与全等[zhiku66.com].mp4 [19.50MB]

4-21-相似与四边形[zhiku66.com].mp4 [34.13MB]

4-22-角平分线定理[zhiku66.com].mp4 [36.88MB]

4-23-一线三等角[zhiku66.com].mp4 [38.14MB]

4-24-位似[zhiku66.com].mp4 [32.47MB]

4-25-画位似图形[zhiku66.com].mp4 [36.65MB]

4-3-平行相似[zhiku66.com].mp4 [38.14MB]

4-4-平行相似的应用-上[zhiku66.com].mp4 [24.38MB]

4-5-平行相似的应用-下[zhiku66.com].mp4 [22.07MB]

4-6-添平行线求线段比[zhiku66.com].mp4 [25.21MB]

4-7-添平行线证比例式[zhiku66.com].mp4 [21.30MB]

4-8-相似图形[zhiku66.com].mp4 [35.37MB]

4-9-AA相似[zhiku66.com].mp4 [33.44MB]

4-精讲1-一线三等角的应用[zhiku66.com].mp4 [18.75MB]

4-精讲2-一线三等角与相似综合[zhiku66.com].mp4 [23.42MB]

4-精讲3-旋转相似及其应用[zhiku66.com].mp4 [27.80MB]

4-精讲4-与相似有关的动点问题-上[zhiku66.com].mp4 [33.82MB]

4-精讲5-与相似有关的动点问题-下[zhiku66.com].mp4 [36.52MB]

4-精讲6-与相似有关的函数问题-上[zhiku66.com].mp4 [29.27MB]

4-精讲7-与相似有关的几何综合题-上[zhiku66.com].mp4 [30.92MB]

5-投影与视图

5-1-中心投影[zhiku66.com].mp4 [31.05MB]

5-2-平行投影[zhiku66.com].mp4 [28.48MB]

5-3-正投影[zhiku66.com].mp4 [26.09MB]

5-4-画三视图[zhiku66.com].mp4 [25.63MB]

5-5-从三视图想象立体图形[zhiku66.com].mp4 [26.00MB]

5-总结1-投影与视图总结[zhiku66.com].mp4 [23.36MB]

6-反比例函数

6-1-反比例函数的概念[zhiku66.com].mp4 [35.16MB]

6-10-反比例函数与正比例函数[zhiku66.com].mp4 [25.16MB]

6-11-反比例函数与一次函数-上[zhiku66.com].mp4 [24.82MB]

6-12-反比例函数与一次函数-下[zhiku66.com].mp4 [31.49MB]

6-13-反比例函数图象辨析[zhiku66.com].mp4 [22.70MB]

6-14-反比例函数与不等式[zhiku66.com].mp4 [26.19MB]

6-15-反比例函数应用题[zhiku66.com].mp4 [26.75MB]

6-2-求反比例函数的解析式[zhiku66.com].mp4 [28.83MB]

6-3-反比例函数的图象[zhiku66.com].mp4 [49.11MB]

6-4-看图求取值范围[zhiku66.com].mp4 [24.62MB]

6-5-参数k与图象[zhiku66.com].mp4 [27.73MB]

6-6-参数k的几何意义[zhiku66.com].mp4 [22.19MB]

6-7-应用k的几何意义[zhiku66.com].mp4 [25.46MB]

6-8-图象的增减性[zhiku66.com].mp4 [26.46MB]

6-9-图象的对称性[zhiku66.com].mp4 [39.54MB]

6-精讲1-几何问题与反比例函数-上[zhiku66.com].mp4 [30.61MB]

6-精讲2-几何问题与反比例函数-下[zhiku66.com].mp4 [30.15MB]

九年级下册（102课）

1-直角三角形的边角关系

1-1-正弦[zhiku66.com].mp4 [28.68MB]

1-10-三角函数的实际应用[zhiku66.com].mp4 [35.55MB]

1-11-三角函数的几何应用[zhiku66.com].mp4 [36.91MB]

1-12-利用三角函数测高[zhiku66.com].mp4 [22.76MB]

1-2-余弦、正切、余切[zhiku66.com].mp4 [26.00MB]

1-3-锐角三角函数的性质[zhiku66.com].mp4 [27.59MB]

1-4-锐角三角函数间的关系[zhiku66.com].mp4 [28.85MB]

1-5-锐角三角函数[zhiku66.com].mp4 [24.25MB]

1-6-求锐角三角函数[zhiku66.com].mp4 [23.59MB]

1-7-30°，45°，60°角的三角函数值[zhiku66.com].mp4 [33.56MB]

1-8-三角函数的计算[zhiku66.com].mp4 [44.18MB]

1-9-解直角三角形[zhiku66.com].mp4 [36.43MB]

1-精讲1-根据三角函数求角度和[zhiku66.com].mp4 [28.44MB]

1-总结1-锐角三角函数总结[zhiku66.com].mp4 [19.67MB]

2-二次函数

2-1-二次函数的引入[zhiku66.com].mp4 [18.08MB]

2-10-参数abc的作用[zhiku66.com].mp4 [33.23MB]

2-11-二次函数增减性的应用-上[zhiku66.com].mp4 [25.81MB]

2-12-二次函数增减性的应用-下[zhiku66.com].mp4 [22.12MB]

2-13-二次函数对称性的应用-上[zhiku66.com].mp4 [20.28MB]

2-14-二次函数对称性的应用-下[zhiku66.com].mp4 [21.18MB]

2-15-求解二次函数的解析式[zhiku66.com].mp4 [29.15MB]

2-16-最大值问题[zhiku66.com].mp4 [26.58MB]

2-17-最大利润问题[zhiku66.com].mp4 [29.96MB]

2-18-先建系再解题[zhiku66.com].mp4 [27.08MB]

2-19-二次函数与二次方程[zhiku66.com].mp4 [30.34MB]

2-2-二次函数[zhiku66.com].mp4 [28.73MB]

2-20-交点式[zhiku66.com].mp4 [30.16MB]

2-21-五点画图象[zhiku66.com].mp4 [45.74MB]

2-22-二次函数在x轴交点的距离[zhiku66.com].mp4 [18.03MB]

2-23-二次函数恒成立问题[zhiku66.com].mp4 [18.97MB]

2-24-二次函数图象辨析-上[zhiku66.com].mp4 [35.34MB]

2-25-二次函数图象辨析-下[zhiku66.com].mp4 [32.41MB]

2-26-一次函数与二次函数[zhiku66.com].mp4 [21.75MB]

2-27-函数综合问题-上[zhiku66.com].mp4 [30.87MB]

2-28-函数综合问题-下[zhiku66.com].mp4 [29.51MB]

2-29-找点使线段相等[zhiku66.com].mp4 [14.67MB]

2-3-二次函数的图象[zhiku66.com].mp4 [28.72MB]

2-30-找点使线段相等进阶[zhiku66.com].mp4 [36.98MB]

2-31-给定面积找点[zhiku66.com].mp4 [25.76MB]

2-32-最大面积问题[zhiku66.com].mp4 [26.90MB]

2-33-构成等腰三角形[zhiku66.com].mp4 [30.73MB]

2-34-构成直角三角形[zhiku66.com].mp4 [29.25MB]

2-35-构成平行四边形[zhiku66.com].mp4 [22.91MB]

2-36-找点构造全等[zhiku66.com].mp4 [24.74MB]

2-4-参数a与函数图象[zhiku66.com].mp4 [20.31MB]

2-5-上下平移[zhiku66.com].mp4 [31.36MB]

2-6-左右平移[zhiku66.com].mp4 [29.31MB]

2-7-任意平移[zhiku66.com].mp4 [31.35MB]

2-8-任意二次函数的图象与性质[zhiku66.com].mp4 [29.50MB]

2-9-图象的平移翻折和旋转[zhiku66.com].mp4 [30.20MB]

2-精讲1-找点构成特殊角[zhiku66.com].mp4 [23.93MB]

2-精讲10-根据图象求参数取值范围(下)[zhiku66.com].mp4 [22.03MB]

2-精讲11-二次函数中的新定义[zhiku66.com].mp4 [25.28MB]

2-精讲12-与相似有关的函数问题-下[zhiku66.com].mp4 [32.92MB]

2-精讲13-与相似有关的最值问题[zhiku66.com].mp4 [24.86MB]

2-精讲14-平面直角坐标系中的相似-上[zhiku66.com].mp4 [30.80MB]

2-精讲15-平面直角坐标系中的相似-下[zhiku66.com].mp4 [31.98MB]

2-精讲2-找点构成直角和等角[zhiku66.com].mp4 [31.03MB]

2-精讲3-二次函数中的将军饮马(上)[zhiku66.com].mp4 [22.55MB]

2-精讲4-二次函数中的将军饮马(下)[zhiku66.com].mp4 [26.81MB]

2-精讲5-二次函数中的几何最值(上)[zhiku66.com].mp4 [30.76MB]

2-精讲6-二次函数中的几何最值(下)[zhiku66.com].mp4 [23.49MB]

2-精讲7-二次函数中的动点问题(上)[zhiku66.com].mp4 [33.77MB]

2-精讲8-二次函数中的动点问题(下)[zhiku66.com].mp4 [34.69MB]

2-精讲9-根据图象求参数取值范围(上)[zhiku66.com].mp4 [26.95MB]

3-圆

3-1-圆的基本概念[zhiku66.com].mp4 [31.50MB]

3-10-圆中的计算与证明[zhiku66.com].mp4 [16.38MB]

3-11-点和圆的位置关系[zhiku66.com].mp4 [30.83MB]

3-12-确定圆的条件[zhiku66.com].mp4 [37.01MB]

3-13-三角形的外接圆[zhiku66.com].mp4 [28.35MB]

3-14-反证法[zhiku66.com].mp4 [29.71MB]

3-15-点到圆的距离[zhiku66.com].mp4 [25.64MB]

3-16-直线和圆的位置关系[zhiku66.com].mp4 [33.99MB]

3-17-切线的判定定理[zhiku66.com].mp4 [29.28MB]

3-18-切线的综合应用(上)[zhiku66.com].mp4 [18.60MB]

3-19-切线的综合应用(下)[zhiku66.com].mp4 [19.70MB]

3-2-弧、弦、圆心角[zhiku66.com].mp4 [26.87MB]

3-20-切线长定理[zhiku66.com].mp4 [32.80MB]

3-21-三角形的内切圆[zhiku66.com].mp4 [43.61MB]

3-22-切线的性质定理[zhiku66.com].mp4 [29.33MB]

3-23-正多边形和圆的关系[zhiku66.com].mp4 [30.90MB]

3-24-弧长和扇形的面积[zhiku66.com].mp4 [31.68MB]

3-25-圆锥的侧面积和全面积[zhiku66.com].mp4 [37.41MB]

3-3-垂径定理[zhiku66.com].mp4 [33.29MB]

3-4-用垂径定理算弦长[zhiku66.com].mp4 [20.27MB]

3-5-弦心距的灵活应用[zhiku66.com].mp4 [16.48MB]

3-6-圆周角定理[zhiku66.com].mp4 [32.58MB]

3-7-圆周角定理的推论[zhiku66.com].mp4 [33.24MB]

3-8-圆的基本概念总结[zhiku66.com].mp4 [18.44MB]

3-9-圆与倒角[zhiku66.com].mp4 [23.33MB]

3-精讲1-圆与全等、四边形综合(上)[zhiku66.com].mp4 [24.11MB]

3-精讲10-与相似有关的定值问题[zhiku66.com].mp4 [33.19MB]

3-精讲11-与相似有关的几何综合题-下[zhiku66.com].mp4 [31.20MB]

3-精讲2-圆与全等、四边形综合(下)[zhiku66.com].mp4 [21.74MB]

3-精讲3-圆中的最值问题(上)[zhiku66.com].mp4 [14.05MB]

3-精讲4-圆中的最值问题(下)[zhiku66.com].mp4 [13.55MB]

3-精讲5-四点共圆的证明(上)[zhiku66.com].mp4 [23.26MB]

3-精讲6-四点共圆的证明(下)[zhiku66.com].mp4 [19.95MB]

3-精讲7-四点共圆的应用[zhiku66.com].mp4 [21.39MB]

3-精讲8-构造辅助圆(上)[zhiku66.com].mp4 [18.71MB]

3-精讲9-构造辅助圆(下)[zhiku66.com].mp4 [20.19MB]

3-总结1-圆的总结[zhiku66.com].mp4 [31.79MB]

七年级上册（121课）

1-丰富的图形世界

1-1-几何图形初步的引入[zhiku66.com].mp4 [27.73MB]

1-2-平面图形与立体图形[zhiku66.com].mp4 [24.48MB]

1-3-立体图形的展开图[zhiku66.com].mp4 [31.43MB]

1-4-复杂立体图形的展开图[zhiku66.com].mp4 [17.78MB]

1-5-截一个几何体[zhiku66.com].mp4 [35.00MB]

1-6-立体图形的三视图[zhiku66.com].mp4 [26.23MB]

1-7-复杂立体图形的三视图[zhiku66.com].mp4 [18.93MB]

2-有理数及其运算

2-1-有理数引入[zhiku66.com].mp4 [22.75MB]

2-10-根据绝对值求原数[zhiku66.com].mp4 [15.38MB]

2-11-根据绝对值求取值范围[zhiku66.com].mp4 [15.33MB]

2-12-绝对值的非负性[zhiku66.com].mp4 [15.12MB]

2-13-有理数的加法(同号)[zhiku66.com].mp4 [22.86MB]

2-14-有理数的加法(异号)[zhiku66.com].mp4 [33.87MB]

2-15-有理数的减法[zhiku66.com].mp4 [44.62MB]

2-16-加减混合运算[zhiku66.com].mp4 [13.12MB]

2-17-化简含绝对值的式子[zhiku66.com].mp4 [27.01MB]

2-18-绝对值的几何意义[zhiku66.com].mp4 [18.36MB]

2-19-有理数的乘法(异号)[zhiku66.com].mp4 [31.70MB]

2-2-负数的定义[zhiku66.com].mp4 [27.79MB]

2-20-有理数的乘法(同号)[zhiku66.com].mp4 [42.36MB]

2-21-负负得正[zhiku66.com].mp4 [40.68MB]

2-22-有理数的除法[zhiku66.com].mp4 [48.83MB]

2-23-乘除混合运算[zhiku66.com].mp4 [18.69MB]

2-24-四则混合运算[zhiku66.com].mp4 [9.05MB]

2-25-有理数的乘方[zhiku66.com].mp4 [41.23MB]

2-26-负数的乘方运算[zhiku66.com].mp4 [39.32MB]

2-27-巧用1和-1的高次方[zhiku66.com].mp4 [26.05MB]

2-28-科学记数法[zhiku66.com].mp4 [48.66MB]

2-29-五则混合运算[zhiku66.com].mp4 [9.50MB]

2-3-有理数[zhiku66.com].mp4 [34.52MB]

2-30-有理数的简算[zhiku66.com].mp4 [17.16MB]

2-31-与有理数有关的新定义问题[zhiku66.com].mp4 [14.58MB]

2-32-用计算器进行运算[zhiku66.com].mp4 [30.06MB]

2-4-数轴[zhiku66.com].mp4 [27.62MB]

2-5-有理数概念辨析[zhiku66.com].mp4 [20.92MB]

2-6-相反数[zhiku66.com].mp4 [22.48MB]

2-7-绝对值[zhiku66.com].mp4 [27.21MB]

2-8-字母的相反数[zhiku66.com].mp4 [12.72MB]

2-9-绝对值概念辨析[zhiku66.com].mp4 [18.55MB]

2-精讲1-等差数列与等比数列[zhiku66.com].mp4 [17.90MB]

2-精讲2-数表找规律[zhiku66.com].mp4 [12.64MB]

2-精讲3-找周期性规律[zhiku66.com].mp4 [15.46MB]

3-整式及其加减

3-1-整式的引入[zhiku66.com].mp4 [19.51MB]

3-10-同类项[zhiku66.com].mp4 [32.03MB]

3-11-合并同类项[zhiku66.com].mp4 [39.82MB]

3-12-去括号[zhiku66.com].mp4 [25.63MB]

3-13-整体法合并多项式[zhiku66.com].mp4 [14.08MB]

3-14-先化简再求值[zhiku66.com].mp4 [31.12MB]

3-15-含参数的整式[zhiku66.com].mp4 [14.42MB]

3-16-用整体法化简求值[zhiku66.com].mp4 [14.00MB]

3-17-整体法化简求值进阶[zhiku66.com].mp4 [19.41MB]

3-18-绝对值的化简与计算[zhiku66.com].mp4 [12.30MB]

3-19-用整式表示数字和图形[zhiku66.com].mp4 [14.63MB]

3-2-文字语言化符号语言[zhiku66.com].mp4 [33.21MB]

3-20-更难的数字和图形问题[zhiku66.com].mp4 [18.82MB]

3-21-等差数列和等比数列的第n项[zhiku66.com].mp4 [20.51MB]

3-22-图形中的找规律[zhiku66.com].mp4 [21.15MB]

3-3-整式的书写规范[zhiku66.com].mp4 [24.19MB]

3-4-单项式[zhiku66.com].mp4 [28.89MB]

3-5-系数与次数[zhiku66.com].mp4 [27.16MB]

3-6-含参数的单项式[zhiku66.com].mp4 [19.66MB]

3-7-多项式[zhiku66.com].mp4 [27.82MB]

3-8-升幂降幂[zhiku66.com].mp4 [63.78MB]

3-9-含参数的多项式[zhiku66.com].mp4 [20.75MB]

3-精讲1-整式和等式中的找规律[zhiku66.com].mp4 [17.84MB]

3-精讲2-正负交替数列[zhiku66.com].mp4 [21.50MB]

4-基本平面图形

4-1-直线、射线与线段[zhiku66.com].mp4 [22.36MB]

4-10-角的画法[zhiku66.com].mp4 [41.12MB]

4-11-线与角中的计数[zhiku66.com].mp4 [21.03MB]

4-12-角的度量与比较大小[zhiku66.com].mp4 [22.77MB]

4-13-角的加法与减法[zhiku66.com].mp4 [27.74MB]

4-14-角平分线[zhiku66.com].mp4 [25.58MB]

4-15-角度的和差倍分计算[zhiku66.com].mp4 [20.75MB]

4-16-角平分线模型[zhiku66.com].mp4 [16.33MB]

4-17-方位角[zhiku66.com].mp4 [33.11MB]

4-18-几何题解题标准与过程书写规范[zhiku66.com].mp4 [30.08MB]

4-19-多边形的概念[zhiku66.com].mp4 [21.49MB]

4-2-两点确定一条直线[zhiku66.com].mp4 [18.90MB]

4-20-多边形对角线条数[zhiku66.com].mp4 [23.78MB]

4-21-圆的初步认识[zhiku66.com].mp4 [21.74MB]

4-3-两点之间，线段最短[zhiku66.com].mp4 [20.53MB]

4-4-线段的画法与比较大小[zhiku66.com].mp4 [42.76MB]

4-5-线段的中点[zhiku66.com].mp4 [26.09MB]

4-6-中点模型的应用[zhiku66.com].mp4 [16.52MB]

4-7-线段中的计算[zhiku66.com].mp4 [18.62MB]

4-8-线段计算与分类讨论[zhiku66.com].mp4 [24.28MB]

4-9-角的概念和表示方法[zhiku66.com].mp4 [27.41MB]

4-总结1-几何图形初步总结[zhiku66.com].mp4 [27.73MB]

5-一元一次方程

5-1-一元一次方程引入[zhiku66.com].mp4 [21.80MB]

5-10-用方程整数解求参数[zhiku66.com].mp4 [16.46MB]

5-11-含参数的一次方程[zhiku66.com].mp4 [20.72MB]

5-12-列方程解应用题[zhiku66.com].mp4 [26.87MB]

5-13-应用一元一次方程——水箱变高了[zhiku66.com].mp4 [23.21MB]

5-14-隐藏的等量关系[zhiku66.com].mp4 [20.75MB]

5-15-分段类应用题[zhiku66.com].mp4 [21.07MB]

5-16-应用一元一次方程——打折销售[zhiku66.com].mp4 [26.57MB]

5-17-应用一元一次方程——“希望工程”义演[zhiku66.com].mp4 [34.77MB]

5-18-应用一元一次方程——追赶小明[zhiku66.com].mp4 [29.62MB]

5-2-一元一次方程[zhiku66.com].mp4 [25.73MB]

5-3-找等量关系列方程[zhiku66.com].mp4 [43.32MB]

5-4-等式的性质[zhiku66.com].mp4 [31.30MB]

5-5-合并同类项与移项[zhiku66.com].mp4 [29.10MB]

5-6-去括号去分母[zhiku66.com].mp4 [20.99MB]

5-7-解方程常见错误辨析[zhiku66.com].mp4 [16.53MB]

5-8-方程的解[zhiku66.com].mp4 [19.02MB]

5-9-方程的解与字母[zhiku66.com].mp4 [19.00MB]

5-精讲1-方程思想的应用[zhiku66.com].mp4 [18.54MB]

6-数据的收集与整理

6-1-数据的收集[zhiku66.com].mp4 [43.04MB]

6-10-频数分布直方图[zhiku66.com].mp4 [41.79MB]

6-11-合理选取组距[zhiku66.com].mp4 [19.05MB]

6-12-统计图的选择[zhiku66.com].mp4 [18.38MB]

6-2-普查与抽样调查[zhiku66.com].mp4 [15.27MB]

6-3-选择合适的调查方式[zhiku66.com].mp4 [14.91MB]

6-4-认识简单随机抽样[zhiku66.com].mp4 [22.84MB]

6-5-用统计表整理数据[zhiku66.com].mp4 [32.49MB]

6-6-用统计图描述数据[zhiku66.com].mp4 [27.48MB]

6-7-补全残缺的统计图[zhiku66.com].mp4 [36.54MB]

6-8-频数与频率[zhiku66.com].mp4 [20.24MB]

6-9-数据分组与频数分布表[zhiku66.com].mp4 [33.66MB]

6-精讲1-数据收集整理综合问题-上[zhiku66.com].mp4 [26.43MB]

6-精讲2-数据收集整理综合问题-下[zhiku66.com].mp4 [34.23MB]

七年级下册（104课）

1-整式的乘除

1-1-整式乘法的引入[zhiku66.com].mp4 [8.89MB]

1-10-认识负数指数幂[zhiku66.com].mp4 [21.11MB]

1-11-科学记数法进阶[zhiku66.com].mp4 [16.71MB]

1-12-单项式乘以单项式[zhiku66.com].mp4 [18.00MB]

1-13-单项式乘以多项式[zhiku66.com].mp4 [20.47MB]

1-14-多项式乘以多项式[zhiku66.com].mp4 [19.59MB]

1-15-复杂的整式乘法[zhiku66.com].mp4 [20.00MB]

1-16-整式混合运算[zhiku66.com].mp4 [15.16MB]

1-17-含参数的整式乘法[zhiku66.com].mp4 [20.05MB]

1-18-平方差公式-上[zhiku66.com].mp4 [21.26MB]

1-19-平方差公式-下[zhiku66.com].mp4 [23.09MB]

1-2-同底数幂的乘法[zhiku66.com].mp4 [16.00MB]

1-20-平方差公式的应用[zhiku66.com].mp4 [18.38MB]

1-21-完全平方公式[zhiku66.com].mp4 [23.53MB]

1-22-完全平方公式的应用[zhiku66.com].mp4 [21.18MB]

1-23-完全平方公式与对称式[zhiku66.com].mp4 [20.41MB]

1-24-乘法公式的综合应用[zhiku66.com].mp4 [17.98MB]

1-25-配方法的应用-上[zhiku66.com].mp4 [22.21MB]

1-26-配方法的应用-下[zhiku66.com].mp4 [21.17MB]

1-27-单项式除以单项式[zhiku66.com].mp4 [33.29MB]

1-28-多项式除以单项式[zhiku66.com].mp4 [14.90MB]

1-3-幂的乘方[zhiku66.com].mp4 [20.99MB]

1-4-积的乘方[zhiku66.com].mp4 [22.23MB]

1-5-复杂的幂运算[zhiku66.com].mp4 [24.51MB]

1-6-同底数幂运算的应用[zhiku66.com].mp4 [19.95MB]

1-7-化不同底数幂为同底数幂[zhiku66.com].mp4 [20.61MB]

1-8-幂的运算性质总结[zhiku66.com].mp4 [12.35MB]

1-9-同底数幂相除[zhiku66.com].mp4 [25.39MB]

2-相交线与平行线

2-1-相交线与平行线的引入[zhiku66.com].mp4 [19.26MB]

2-10-平行线[zhiku66.com].mp4 [39.41MB]

2-11-同位角[zhiku66.com].mp4 [22.28MB]

2-12-内错角和同旁内角[zhiku66.com].mp4 [29.21MB]

2-13-识别三线八角图[zhiku66.com].mp4 [17.23MB]

2-14-相交线中的计数问题[zhiku66.com].mp4 [17.52MB]

2-15-平行线的判定定理[zhiku66.com].mp4 [29.44MB]

2-16-两条直线的位置关系总结[zhiku66.com].mp4 [23.62MB]

2-17-平行线的性质[zhiku66.com].mp4 [24.90MB]

2-18-汽车连续拐弯问题[zhiku66.com].mp4 [20.32MB]

2-19-子弹图[zhiku66.com].mp4 [20.32MB]

2-2-余角和补角[zhiku66.com].mp4 [31.08MB]

2-20-猪手图[zhiku66.com].mp4 [15.39MB]

2-21-平行线与翻折问题[zhiku66.com].mp4 [11.52MB]

2-22-平行线与旋转问题[zhiku66.com].mp4 [21.05MB]

2-23-用尺规作线段和角[zhiku66.com].mp4 [25.81MB]

2-3-余角和补角的性质[zhiku66.com].mp4 [25.22MB]

2-4-什么是对顶角[zhiku66.com].mp4 [27.71MB]

2-5-什么是邻补角[zhiku66.com].mp4 [24.01MB]

2-6-和直线有关的计数问题[zhiku66.com].mp4 [14.83MB]

2-7-垂线[zhiku66.com].mp4 [42.06MB]

2-8-垂线段[zhiku66.com].mp4 [31.62MB]

2-9-通过角度证垂直[zhiku66.com].mp4 [17.97MB]

2-精讲1-角度计算综合问题(上)[zhiku66.com].mp4 [21.75MB]

2-精讲2-角度计算综合问题(下)[zhiku66.com].mp4 [16.69MB]

3-变量之间的关系

3-1-用表格表示的变量间关系[zhiku66.com].mp4 [36.39MB]

3-2-用关系式表示的变量间关系[zhiku66.com].mp4 [23.80MB]

3-3-用图象表示的变量间关系[zhiku66.com].mp4 [24.07MB]

4-三角形

4-1-三角形的引入[zhiku66.com].mp4 [9.34MB]

4-10-全等的性质[zhiku66.com].mp4 [35.42MB]

4-11-判定定理SSS[zhiku66.com].mp4 [27.88MB]

4-12-判定定理SAS[zhiku66.com].mp4 [40.02MB]

4-13-判定定理ASA[zhiku66.com].mp4 [30.72MB]

4-14-判定定理AAS[zhiku66.com].mp4 [27.18MB]

4-15-全等三角形的判断[zhiku66.com].mp4 [13.63MB]

4-16-全等三角形的证明[zhiku66.com].mp4 [14.17MB]

4-17-多次全等[zhiku66.com].mp4 [22.45MB]

4-18-双垂图与全等[zhiku66.com].mp4 [22.56MB]

4-19-全等与倒角[zhiku66.com].mp4 [20.42MB]

4-2-三角形的分类[zhiku66.com].mp4 [14.21MB]

4-20-用尺规作三角形[zhiku66.com].mp4 [26.50MB]

4-21-利用三角形全等测距离[zhiku66.com].mp4 [23.13MB]

4-3-三角形的三边关系[zhiku66.com].mp4 [27.73MB]

4-4-三角形的高[zhiku66.com].mp4 [24.77MB]

4-5-三角形的中线[zhiku66.com].mp4 [32.64MB]

4-6-三角形的角平分线[zhiku66.com].mp4 [15.19MB]

4-7-三角形的稳定性[zhiku66.com].mp4 [26.21MB]

4-8-8字型中的角度关系[zhiku66.com].mp4 [20.38MB]

4-9-寻找隐藏的8字型[zhiku66.com].mp4 [13.98MB]

4-精讲1-全等判定定理HL[zhiku66.com].mp4 [33.24MB]

4-精讲2-SSA为什么不全等[zhiku66.com].mp4 [22.03MB]

4-精讲3-通过SSA构造全等[zhiku66.com].mp4 [19.12MB]

4-精讲4-倍长中线大法[zhiku66.com].mp4 [19.15MB]

4-精讲5-中点引出的倍长问题[zhiku66.com].mp4 [18.22MB]

5-生活中的轴对称

5-1-轴对称的引入[zhiku66.com].mp4 [26.99MB]

5-10-角平分线的性质和判定[zhiku66.com].mp4 [20.95MB]

5-11-尺规作图[zhiku66.com].mp4 [39.18MB]

5-12-角平分线性质的应用[zhiku66.com].mp4 [17.14MB]

5-13-角平分线判定的应用[zhiku66.com].mp4 [18.56MB]

5-14-利用轴对称进行设计[zhiku66.com].mp4 [43.36MB]

5-15-认识七巧板[zhiku66.com].mp4 [18.74MB]

5-16-用七巧板拼出图形[zhiku66.com].mp4 [50.83MB]

5-2-轴对称与轴对称图形[zhiku66.com].mp4 [40.91MB]

5-3-轴对称的性质[zhiku66.com].mp4 [28.61MB]

5-4-等腰三角形[zhiku66.com].mp4 [24.27MB]

5-5-垂直平分线的性质[zhiku66.com].mp4 [31.44MB]

5-6-线段垂直平分线作图[zhiku66.com].mp4 [30.27MB]

5-7-对称轴作图[zhiku66.com].mp4 [28.67MB]

5-8-作对称图形[zhiku66.com].mp4 [29.61MB]

5-9-垂直平分线性质的应用[zhiku66.com].mp4 [18.82MB]

5-精讲1-通过角平分线构造全等[zhiku66.com].mp4 [19.16MB]

5-精讲2-征服角平分线全等难题[zhiku66.com].mp4 [18.11MB]

6-概率初步

6-1-随机事件[zhiku66.com].mp4 [26.68MB]

6-2-概率的定义[zhiku66.com].mp4 [24.30MB]

6-3-等可能事件的概率[zhiku66.com].mp4 [30.58MB]

6-4-求等可能事件的概率[zhiku66.com].mp4 [29.52MB]

此章节是免费课，在洋葱app看