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洋葱学院北京课改版初中7-9年级数学同步课程(初一至初三全套)

洋葱学院北京课改版初中数学课程,本课程共19.38GB,VIP会员可通过百度网盘转存下载。此“洋葱学院北京课改版初中数学同步课程(初一至初三全套)”课程由收集整理。

课程目录(资源合计19.38GB):

[洋葱学院]北京课改版初中数学同步课程(初一至初三全套779课)

数.初1上-北京课改(98课)

1-有理数(33课)

01-有理数引入[zhiku66.com].mp4 [22.75MB]

02-负数的定义[zhiku66.com].mp4 [27.79MB]

03-有理数[zhiku66.com].mp4 [34.52MB]

04-数轴[zhiku66.com].mp4 [27.62MB]

05-有理数概念辨析[zhiku66.com].mp4 [20.92MB]

06-相反数[zhiku66.com].mp4 [22.48MB]

07-绝对值[zhiku66.com].mp4 [27.21MB]

08-字母的相反数[zhiku66.com].mp4 [12.72MB]

09-绝对值概念辨析[zhiku66.com].mp4 [18.55MB]

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

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

12-绝对值的非负性[zhiku66.com].mp4 [15.12MB]

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

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

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

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

17-有理数的减法[zhiku66.com].mp4 [44.62MB]

18-加减混合运算[zhiku66.com].mp4 [13.12MB]

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

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

21-负负得正[zhiku66.com].mp4 [40.68MB]

22-有理数的除法[zhiku66.com].mp4 [48.83MB]

23-乘除混合运算[zhiku66.com].mp4 [18.69MB]

24-四则混合运算[zhiku66.com].mp4 [9.05MB]

25-有理数的乘方[zhiku66.com].mp4 [41.23MB]

26-负数的乘方运算[zhiku66.com].mp4 [39.32MB]

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

28-五则混合运算[zhiku66.com].mp4 [9.50MB]

29-有理数的简算[zhiku66.com].mp4 [17.16MB]

30-科学记数法[zhiku66.com].mp4 [48.66MB]

精讲1-数表找规律[zhiku66.com].mp4 [12.64MB]

精讲2-找周期性规律[zhiku66.com].mp4 [15.46MB]

精讲3-与有理数有关的新定义问题[zhiku66.com].mp4 [14.58MB]

2-一元一次方程(32课)

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

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

03-整式的书写规范[zhiku66.com].mp4 [24.19MB]

04-单项式[zhiku66.com].mp4 [28.89MB]

05-系数与次数[zhiku66.com].mp4 [27.16MB]

06-多项式[zhiku66.com].mp4 [27.82MB]

07-升幂降幂[zhiku66.com].mp4 [63.78MB]

08-同类项[zhiku66.com].mp4 [32.03MB]

09-合并同类项[zhiku66.com].mp4 [39.82MB]

10-去括号[zhiku66.com].mp4 [25.63MB]

11-先化简再求值[zhiku66.com].mp4 [31.12MB]

12-含参数的单项式[zhiku66.com].mp4 [19.66MB]

13-含参数的多项式[zhiku66.com].mp4 [20.75MB]

14-含参数的整式[zhiku66.com].mp4 [14.42MB]

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

16-一元一次方程[zhiku66.com].mp4 [25.73MB]

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

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

19-去括号去分母[zhiku66.com].mp4 [20.99MB]

20-方程的解[zhiku66.com].mp4 [19.02MB]

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

22-方程的解与字母[zhiku66.com].mp4 [19.00MB]

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

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

25-列方程解应用题[zhiku66.com].mp4 [26.87MB]

26-隐藏的等量关系[zhiku66.com].mp4 [20.75MB]

27-分段类应用题[zhiku66.com].mp4 [21.07MB]

精讲1-等差数列和等比数列的第n项[zhiku66.com].mp4 [20.51MB]

精讲2-整式和等式中的找规律[zhiku66.com].mp4 [17.84MB]

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

精讲4-正负交替数列[zhiku66.com].mp4 [21.50MB]

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

3-简单的几何图形(33课)

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

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

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

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

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

06-点、线、面、体[zhiku66.com].mp4 [28.10MB]

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

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

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

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

11-线段的中点[zhiku66.com].mp4 [26.09MB]

12-中点模型的应用[zhiku66.com].mp4 [16.52MB]

13-线段中的计算[zhiku66.com].mp4 [18.62MB]

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

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

16-角的画法[zhiku66.com].mp4 [41.12MB]

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

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

19-角的加法与减法[zhiku66.com].mp4 [27.74MB]

20-角平分线[zhiku66.com].mp4 [25.58MB]

21-角平分线模型[zhiku66.com].mp4 [16.33MB]

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

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

24-垂线[zhiku66.com].mp4 [42.06MB]

25-垂线段[zhiku66.com].mp4 [31.62MB]

26-通过角度证垂直[zhiku66.com].mp4 [17.97MB]

27-认识七巧板[zhiku66.com].mp4 [18.74MB]

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

精讲1-钟表上的角度[zhiku66.com].mp4 [21.70MB]

精讲2-线与角中的计数[zhiku66.com].mp4 [21.03MB]

精讲3-角度计算综合问题(上)[zhiku66.com].mp4 [21.75MB]

精讲4-角度计算综合问题(下)[zhiku66.com].mp4 [16.69MB]

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

数.初1下-北京课改(148课)

4-一元一次不等式和一元一次不等式组(23课)

01-不等式引入[zhiku66.com].mp4 [15.67MB]

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

03-不等式与不等式的解集[zhiku66.com].mp4 [29.95MB]

04-不等式概念辨析[zhiku66.com].mp4 [18.03MB]

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

06-不等式的性质3[zhiku66.com].mp4 [26.28MB]

07-参数判断之分类讨论[zhiku66.com].mp4 [18.24MB]

08-用不等式的性质比大小[zhiku66.com].mp4 [19.23MB]

09-一元一次不等式[zhiku66.com].mp4 [25.06MB]

10-依据解求参数的取值范围[zhiku66.com].mp4 [12.52MB]

11-绝对值不等式[zhiku66.com].mp4 [17.99MB]

12-依据不等式的解集求参数[zhiku66.com].mp4 [14.84MB]

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

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

15-不等式组的解法[zhiku66.com].mp4 [25.82MB]

16-解不等式组进阶[zhiku66.com].mp4 [16.60MB]

17-解集的分类讨论[zhiku66.com].mp4 [16.31MB]

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

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

20-列不等式组解应用题[zhiku66.com].mp4 [18.01MB]

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

精讲2-依据整数解求参数[zhiku66.com].mp4 [13.71MB]

总结-总结1[zhiku66.com].mp4 [25.29MB]

5-二元一次方程组(30课)

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

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

03-二元一次方程组[zhiku66.com].mp4 [17.05MB]

04-方程组的解[zhiku66.com].mp4 [22.84MB]

05-代入消元法[zhiku66.com].mp4 [22.99MB]

06-继续代入消元法[zhiku66.com].mp4 [15.74MB]

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

08-加减消元法[zhiku66.com].mp4 [38.56MB]

09-解复杂的方程组[zhiku66.com].mp4 [23.42MB]

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

11-代入还是加减[zhiku66.com].mp4 [23.76MB]

12-换元解方程组[zhiku66.com].mp4 [29.81MB]

13-比例换元法[zhiku66.com].mp4 [38.36MB]

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

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

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

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

18-解对称方程组[zhiku66.com].mp4 [20.96MB]

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

20-最优方案类问题[zhiku66.com].mp4 [55.83MB]

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

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

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

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

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

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

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

精讲2-解不定方程组[zhiku66.com].mp4 [23.20MB]

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

总结-消元法总结[zhiku66.com].mp4 [38.90MB]

6-整式的运算(35课)

01-合并同类项[zhiku66.com].mp4 [39.82MB]

02-升幂降幂[zhiku66.com].mp4 [63.78MB]

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

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

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

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

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

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

09-同底数幂的乘法[zhiku66.com].mp4 [16.00MB]

10-幂的乘方[zhiku66.com].mp4 [20.99MB]

11-积的乘方[zhiku66.com].mp4 [22.23MB]

12-复杂的幂运算[zhiku66.com].mp4 [24.51MB]

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

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

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

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

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

18-复杂的整式乘法[zhiku66.com].mp4 [20.00MB]

19-整式混合运算[zhiku66.com].mp4 [15.16MB]

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

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

22-平方差公式-上[zhiku66.com].mp4 [21.26MB]

23-平方差公式-下[zhiku66.com].mp4 [23.09MB]

24-完全平方公式[zhiku66.com].mp4 [23.53MB]

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

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

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

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

29-同底数幂相除[zhiku66.com].mp4 [25.39MB]

30-负数指数幂[zhiku66.com].mp4 [29.20MB]

31-科学记数法进阶[zhiku66.com].mp4 [16.71MB]

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

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

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

精讲2-配方法的应用-下[zhiku66.com].mp4 [21.17MB]

7-观察、猜想与证明(28课)

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

02-余角和补角[zhiku66.com].mp4 [31.08MB]

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

04-什么是对顶角[zhiku66.com].mp4 [27.71MB]

05-什么是邻补角[zhiku66.com].mp4 [24.01MB]

06-同位角[zhiku66.com].mp4 [22.28MB]

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

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

09-反证法[zhiku66.com].mp4 [29.71MB]

10-平行线的性质[zhiku66.com].mp4 [24.90MB]

11-识别三线八角图[zhiku66.com].mp4 [17.23MB]

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

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

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

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

16-子弹图[zhiku66.com].mp4 [20.32MB]

17-猪手图[zhiku66.com].mp4 [15.39MB]

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

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

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

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

精讲1-和直线有关的计数问题[zhiku66.com].mp4 [14.83MB]

精讲2-子弹图与猪手图进阶[zhiku66.com].mp4 [22.18MB]

精讲3-平行与多次折线问题[zhiku66.com].mp4 [23.88MB]

精讲4-平行线中的分类讨论[zhiku66.com].mp4 [15.31MB]

精讲5-汽车连续拐弯问题[zhiku66.com].mp4 [20.32MB]

精讲6-平行线的最复杂证明[zhiku66.com].mp4 [17.55MB]

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

8-因式分解(20课)

01-什么是因式分解[zhiku66.com].mp4 [27.82MB]

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

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

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

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

06-公式法进阶-上[zhiku66.com].mp4 [16.38MB]

07-公式法进阶-下[zhiku66.com].mp4 [20.68MB]

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

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

10-十字相乘法-上[zhiku66.com].mp4 [18.92MB]

11-十字相乘法-下[zhiku66.com].mp4 [17.89MB]

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

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

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

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

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

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

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

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

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

9-数据的收集与表示(12课)

01-全面调查与抽样调查[zhiku66.com].mp4 [15.41MB]

02-如何选择调查方式[zhiku66.com].mp4 [14.92MB]

03-简单随机抽样[zhiku66.com].mp4 [22.37MB]

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

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

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

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

08-加权平均数[zhiku66.com].mp4 [27.58MB]

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

10-众数[zhiku66.com].mp4 [25.46MB]

11-中位数[zhiku66.com].mp4 [26.76MB]

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

数.初2上-北京课改(167课)

10-分式(20课)

01-分式的引入[zhiku66.com].mp4 [17.79MB]

02-分式的概念[zhiku66.com].mp4 [19.18MB]

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

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

05-分式的值-上[zhiku66.com].mp4 [20.47MB]

06-分式的值-下[zhiku66.com].mp4 [19.92MB]

07-分式的基本性质[zhiku66.com].mp4 [22.41MB]

08-分式的约分[zhiku66.com].mp4 [15.23MB]

09-分式的乘除[zhiku66.com].mp4 [23.77MB]

10-分式的乘方[zhiku66.com].mp4 [14.52MB]

11-分式的通分[zhiku66.com].mp4 [20.75MB]

12-分式的加减[zhiku66.com].mp4 [26.60MB]

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

14-分式的化简求值[zhiku66.com].mp4 [19.89MB]

15-见比设k[zhiku66.com].mp4 [19.76MB]

16-分式方程[zhiku66.com].mp4 [30.72MB]

17-分式方程应用题[zhiku66.com].mp4 [31.94MB]

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

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

精讲3-分式的拆分[zhiku66.com].mp4 [22.67MB]

11-实数和二次根式(39课)

01-实数的引入[zhiku66.com].mp4 [22.79MB]

02-平方根[zhiku66.com].mp4 [21.08MB]

03-算术平方根[zhiku66.com].mp4 [24.70MB]

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

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

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

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

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

09-立方根[zhiku66.com].mp4 [22.11MB]

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

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

12-根号2也有组织[zhiku66.com].mp4 [28.75MB]

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

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

15-二次根式的引入[zhiku66.com].mp4 [20.92MB]

16-二次根式的定义[zhiku66.com].mp4 [33.06MB]

17-二次根式的性质[zhiku66.com].mp4 [33.64MB]

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

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

20-二次根式的乘法[zhiku66.com].mp4 [23.81MB]

21-二次根式的除法[zhiku66.com].mp4 [24.86MB]

22-最简二次根式[zhiku66.com].mp4 [32.53MB]

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

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

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

26-二次根式的加减[zhiku66.com].mp4 [24.13MB]

27-分母有理化[zhiku66.com].mp4 [28.70MB]

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

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

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

31-二次根式的简算[zhiku66.com].mp4 [24.30MB]

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

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

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

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

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

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

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

精讲5-复合二次根式[zhiku66.com].mp4 [25.35MB]

12-三角形(上)(37课)

01-三角形的引入[zhiku66.com].mp4 [9.34MB]

02-三角形的分类[zhiku66.com].mp4 [14.21MB]

03-三角形的稳定性[zhiku66.com].mp4 [26.21MB]

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

05-三角形的内角[zhiku66.com].mp4 [17.70MB]

06-三角形的外角[zhiku66.com].mp4 [19.34MB]

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

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

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

10-三角形的高[zhiku66.com].mp4 [24.77MB]

11-三角形的中线[zhiku66.com].mp4 [32.64MB]

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

13-三角形与平行线[zhiku66.com].mp4 [14.49MB]

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

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

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

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

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

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

20-三角形总结[zhiku66.com].mp4 [18.59MB]

21-全等三角形的引入[zhiku66.com].mp4 [24.66MB]

22-全等的性质[zhiku66.com].mp4 [35.42MB]

23-判定定理SSS[zhiku66.com].mp4 [27.88MB]

24-判定定理SAS[zhiku66.com].mp4 [40.02MB]

25-判定定理ASA[zhiku66.com].mp4 [30.72MB]

26-判定定理AAS[zhiku66.com].mp4 [27.18MB]

27-判定定理HL[zhiku66.com].mp4 [33.25MB]

28-判断全等三角形[zhiku66.com].mp4 [12.61MB]

29-证明全等三角形[zhiku66.com].mp4 [15.03MB]

30-多次全等[zhiku66.com].mp4 [22.45MB]

31-双垂图与全等[zhiku66.com].mp4 [22.56MB]

32-全等与倒角[zhiku66.com].mp4 [20.42MB]

精讲1-三角形与多边形计算[zhiku66.com].mp4 [14.30MB]

精讲2-三角形与多边形证明[zhiku66.com].mp4 [21.86MB]

精讲3-飞镖模型与角平分线[zhiku66.com].mp4 [19.70MB]

精讲4-倍长中线大法[zhiku66.com].mp4 [19.15MB]

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

12-三角形(下)(33课)

01-勾股定理的引入[zhiku66.com].mp4 [37.67MB]

02-勾股定理的发现[zhiku66.com].mp4 [14.83MB]

03-欧几里得证法[zhiku66.com].mp4 [37.79MB]

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

05-用勾股定理计算边长-上[zhiku66.com].mp4 [55.25MB]

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

07-用勾股定理计算边长-下[zhiku66.com].mp4 [24.41MB]

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

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

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

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

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

13-墙角梯子移动、影响时间问题[zhiku66.com].mp4 [29.91MB]

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

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

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

17-折叠问题中的勾股定理[zhiku66.com].mp4 [21.70MB]

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

19-证明直角三角形[zhiku66.com].mp4 [18.81MB]

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

21-SSA为什么不全等[zhiku66.com].mp4 [22.03MB]

22-通过SSA构造全等[zhiku66.com].mp4 [19.12MB]

精讲01-含15°角的直角三角形[zhiku66.com].mp4 [20.40MB]

精讲02-特殊角在计算中的应用[zhiku66.com].mp4 [24.10MB]

精讲03-已知三角形两边及夹角求第三边[zhiku66.com].mp4 [17.73MB]

精讲04-构造特殊的直角三角形[zhiku66.com].mp4 [19.89MB]

精讲05-用勾股定理求三角形的高[zhiku66.com].mp4 [20.98MB]

精讲06-用勾股定理求三角形的中线[zhiku66.com].mp4 [22.12MB]

精讲07-作垂线计算线段长度[zhiku66.com].mp4 [21.09MB]

精讲08-构造直角三角形[zhiku66.com].mp4 [29.64MB]

精讲09-勾股定理与构造等边三角形[zhiku66.com].mp4 [19.84MB]

精讲10-勾股定理与将军饮马[zhiku66.com].mp4 [27.88MB]

精讲11-利用勾股定理构造图形[zhiku66.com].mp4 [21.21MB]

12-三角形(中)(27课)

01-等腰三角形[zhiku66.com].mp4 [24.27MB]

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

03-等边三角形[zhiku66.com].mp4 [24.17MB]

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

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

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

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

08-30°直角三角形性质应用[zhiku66.com].mp4 [19.09MB]

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

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

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

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

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

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

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

16-尺规作图[zhiku66.com].mp4 [39.18MB]

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

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

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

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

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

22-轴对称的引入[zhiku66.com].mp4 [26.99MB]

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

24-轴对称的性质[zhiku66.com].mp4 [28.61MB]

25-轴对称总结[zhiku66.com].mp4 [21.57MB]

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

精讲2-构造等边三角形(下)[zhiku66.com].mp4 [16.03MB]

13-事件与可能性(11课)

1-随机事件[zhiku66.com].mp4 [26.68MB]

2-概率的定义[zhiku66.com].mp4 [24.30MB]

3-等可能事件的概率[zhiku66.com].mp4 [30.58MB]

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

5-列表求概率[zhiku66.com].mp4 [40.35MB]

6-画树状图求概率[zhiku66.com].mp4 [34.04MB]

7-用频率估计概率[zhiku66.com].mp4 [30.78MB]

8-应用概率[zhiku66.com].mp4 [28.53MB]

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

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

精讲2-复杂问题中的概率-下[zhiku66.com].mp4 [23.37MB]

数.初2下-北京课改(166课)

14-一次函数(70课)

01-一次函数的引入[zhiku66.com].mp4 [42.80MB]

02-变量与函数[zhiku66.com].mp4 [131.52MB]

03-函数的解析式[zhiku66.com].mp4 [26.64MB]

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

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

06-有序数对[zhiku66.com].mp4 [19.97MB]

07-点的坐标[zhiku66.com].mp4 [27.47MB]

08-什么是象限[zhiku66.com].mp4 [24.13MB]

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

10-给距离求坐标[zhiku66.com].mp4 [26.96MB]

11-点的平移[zhiku66.com].mp4 [41.33MB]

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

13-点关于原点对称[zhiku66.com].mp4 [24.11MB]

14-函数图象的概念[zhiku66.com].mp4 [24.77MB]

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

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

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

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

19-辨别函数图象[zhiku66.com].mp4 [40.21MB]

20-读图象找数字[zhiku66.com].mp4 [29.49MB]

21-读图象找信息[zhiku66.com].mp4 [50.40MB]

22-函数概念总结[zhiku66.com].mp4 [34.45MB]

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

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

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

26-_k_与倾斜程度[zhiku66.com].mp4 [25.89MB]

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

28-一次函数的性质[zhiku66.com].mp4 [20.19MB]

29-图象的上下平移[zhiku66.com].mp4 [24.16MB]

30-图象的左右平移[zhiku66.com].mp4 [23.95MB]

31-玩转k和b[zhiku66.com].mp4 [24.34MB]

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

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

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

35-一次函数与对称[zhiku66.com].mp4 [39.42MB]

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

37-一次函数与方程[zhiku66.com].mp4 [31.29MB]

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

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

40-根据一次函数图象解不等式[zhiku66.com].mp4 [24.01MB]

41-一次函数应用题[zhiku66.com].mp4 [26.91MB]

42-两点间距离公式[zhiku66.com].mp4 [21.55MB]

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

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

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

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

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

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

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

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

51-先建系再计算[zhiku66.com].mp4 [33.53MB]

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

精讲01-根据周长和面积求坐标[zhiku66.com].mp4 [18.24MB]

精讲02-根据面积关系求坐标-上[zhiku66.com].mp4 [21.80MB]

精讲03-根据面积关系求坐标-下[zhiku66.com].mp4 [18.57MB]

精讲04-坐标系中的角度转化[zhiku66.com].mp4 [21.79MB]

精讲05-坐标系中找规律-上[zhiku66.com].mp4 [35.84MB]

精讲06-坐标系中找规律-下[zhiku66.com].mp4 [27.90MB]

精讲07-坐标系中的跑圈问题[zhiku66.com].mp4 [27.77MB]

精讲08-找规律之三角形图案[zhiku66.com].mp4 [23.82MB]

精讲09-找规律之正方形图案[zhiku66.com].mp4 [23.33MB]

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

精讲11-一次函数与几何-上[zhiku66.com].mp4 [25.16MB]

精讲12-一次函数与几何-下[zhiku66.com].mp4 [28.17MB]

精讲13-一次函数与动点问题[zhiku66.com].mp4 [36.12MB]

精讲14-一次函数与弦图模型[zhiku66.com].mp4 [18.41MB]

精讲15-一次函数中的动线段问题[zhiku66.com].mp4 [25.16MB]

精讲16-垂直直线的斜率关系[zhiku66.com].mp4 [30.22MB]

精讲17-斜率公式及其应用[zhiku66.com].mp4 [25.82MB]

总结-一次函数总结[zhiku66.com].mp4 [37.80MB]

15-四边形(56课)

01-多边形的概念[zhiku66.com].mp4 [21.49MB]

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

03-多边形内角和[zhiku66.com].mp4 [25.59MB]

04-多边形外角和[zhiku66.com].mp4 [25.56MB]

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

06-认识平行四边形[zhiku66.com].mp4 [33.99MB]

07-认识矩形[zhiku66.com].mp4 [29.20MB]

08-认识菱形[zhiku66.com].mp4 [29.80MB]

09-认识正方形[zhiku66.com].mp4 [17.41MB]

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

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

12-平行线间的距离[zhiku66.com].mp4 [21.72MB]

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

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

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

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

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

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

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

20-发现矩形的性质[zhiku66.com].mp4 [21.74MB]

21-证明矩形的性质[zhiku66.com].mp4 [16.37MB]

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

23-矩形的判定定理[zhiku66.com].mp4 [37.11MB]

24-认识菱形[zhiku66.com].mp4 [29.80MB]

25-发现菱形的性质[zhiku66.com].mp4 [32.07MB]

26-证明菱形的性质[zhiku66.com].mp4 [17.97MB]

27-菱形的判定定理[zhiku66.com].mp4 [24.89MB]

28-认识正方形[zhiku66.com].mp4 [17.41MB]

29-判定正方形[zhiku66.com].mp4 [27.94MB]

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

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

32-正方形中的翻折[zhiku66.com].mp4 [28.34MB]

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

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

35-正方形与弦图[zhiku66.com].mp4 [28.47MB]

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

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

38-三角形的中位线[zhiku66.com].mp4 [32.18MB]

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

40-构造中位线基础[zhiku66.com].mp4 [24.17MB]

41-构造中位线进阶[zhiku66.com].mp4 [33.45MB]

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

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

44-中心对称的概念[zhiku66.com].mp4 [21.23MB]

45-中心对称的性质[zhiku66.com].mp4 [21.70MB]

46-中心对称的作图[zhiku66.com].mp4 [34.85MB]

47-中点四边形[zhiku66.com].mp4 [25.23MB]

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

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

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

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

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

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

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

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

精讲8-费马点问题[zhiku66.com].mp4 [29.90MB]

16-一元二次方程(28课)

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

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

03-方程的一般形式[zhiku66.com].mp4 [29.82MB]

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

05-直接开平方法[zhiku66.com].mp4 [27.56MB]

06-配完全平方[zhiku66.com].mp4 [47.84MB]

07-配方法[zhiku66.com].mp4 [40.36MB]

08-推导求根公式[zhiku66.com].mp4 [38.27MB]

09-根的判别式[zhiku66.com].mp4 [37.85MB]

10-公式法[zhiku66.com].mp4 [34.07MB]

11-因式分解法[zhiku66.com].mp4 [29.74MB]

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

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

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

15-活用降次解方程[zhiku66.com].mp4 [14.75MB]

16-解含参方程[zhiku66.com].mp4 [22.80MB]

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

18-递增递减问题[zhiku66.com].mp4 [20.46MB]

19-薄利多销问题[zhiku66.com].mp4 [14.31MB]

20-图案面积问题[zhiku66.com].mp4 [21.56MB]

21-根与系数的关系[zhiku66.com].mp4 [40.26MB]

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

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

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

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

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

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

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

17-方差与频数分布(12课)

1-数据的波动程度[zhiku66.com].mp4 [23.13MB]

2-方差[zhiku66.com].mp4 [31.23MB]

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

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

5-频数与频率[zhiku66.com].mp4 [20.24MB]

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

7-频数分布直方图[zhiku66.com].mp4 [41.79MB]

8-合理选取组距[zhiku66.com].mp4 [19.05MB]

精讲1-统计量的应用-上[zhiku66.com].mp4 [24.13MB]

精讲2-统计量的应用-下[zhiku66.com].mp4 [27.27MB]

精讲3-数据收集整理综合问题-上[zhiku66.com].mp4 [26.43MB]

精讲4-数据收集整理综合问题-下[zhiku66.com].mp4 [34.23MB]

数.初3上-北京课改(151课)

18-相似形(37课)

01-比例线段[zhiku66.com].mp4 [34.66MB]

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

03-平行相似[zhiku66.com].mp4 [38.14MB]

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

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

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

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

08-相似图形[zhiku66.com].mp4 [35.37MB]

09-AA相似[zhiku66.com].mp4 [33.44MB]

10-SAS相似[zhiku66.com].mp4 [34.15MB]

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

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

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

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

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

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

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

18-黄金分割[zhiku66.com].mp4 [48.43MB]

19-一线三等角[zhiku66.com].mp4 [38.14MB]

20-角平分线定理[zhiku66.com].mp4 [36.88MB]

21-射影定理[zhiku66.com].mp4 [31.04MB]

22-相似与全等[zhiku66.com].mp4 [19.50MB]

23-相似与四边形[zhiku66.com].mp4 [34.13MB]

24-圆与射影定理[zhiku66.com].mp4 [28.02MB]

精讲01-一线三等角的应用[zhiku66.com].mp4 [18.75MB]

精讲02-一线三等角与相似综合[zhiku66.com].mp4 [23.42MB]

精讲03-旋转相似及其应用[zhiku66.com].mp4 [27.80MB]

精讲04-与相似有关的动点问题-上[zhiku66.com].mp4 [33.82MB]

精讲05-与相似有关的动点问题-下[zhiku66.com].mp4 [36.52MB]

精讲06-与相似有关的函数问题-上[zhiku66.com].mp4 [29.27MB]

精讲07-与相似有关的函数问题-下[zhiku66.com].mp4 [32.92MB]

精讲08-平面直角坐标系中的相似-上[zhiku66.com].mp4 [30.80MB]

精讲09-平面直角坐标系中的相似-下[zhiku66.com].mp4 [31.98MB]

精讲10-与相似有关的最值问题[zhiku66.com].mp4 [24.86MB]

精讲11-与相似有关的定值问题[zhiku66.com].mp4 [33.19MB]

精讲12-与相似有关的几何综合题-上[zhiku66.com].mp4 [30.92MB]

精讲13-与相似有关的几何综合题-下[zhiku66.com].mp4 [31.20MB]

19-二次函数和反比例函数(64课)

01-二次函数的引入[zhiku66.com].mp4 [18.08MB]

02-二次函数[zhiku66.com].mp4 [28.73MB]

03-二次函数的图象[zhiku66.com].mp4 [28.72MB]

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

05-上下平移[zhiku66.com].mp4 [31.36MB]

06-左右平移[zhiku66.com].mp4 [29.31MB]

07-任意平移[zhiku66.com].mp4 [31.35MB]

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

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

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

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

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

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

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

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

16-交点式[zhiku66.com].mp4 [30.16MB]

17-求二次函数的解析式[zhiku66.com].mp4 [48.56MB]

18-五点画图象[zhiku66.com].mp4 [45.74MB]

19-最大值问题[zhiku66.com].mp4 [26.58MB]

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

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

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

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

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

25-最大利润问题[zhiku66.com].mp4 [29.96MB]

26-先建系再解题[zhiku66.com].mp4 [27.08MB]

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

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

29-找点使线段相等[zhiku66.com].mp4 [14.67MB]

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

31-给定面积找点[zhiku66.com].mp4 [25.76MB]

32-最大面积问题[zhiku66.com].mp4 [26.90MB]

33-构成等腰三角形[zhiku66.com].mp4 [30.73MB]

34-构成直角三角形[zhiku66.com].mp4 [29.25MB]

35-构成平行四边形[zhiku66.com].mp4 [22.91MB]

36-找点构造全等[zhiku66.com].mp4 [24.74MB]

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

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

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

40-参数k与图象[zhiku66.com].mp4 [27.73MB]

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

42-图象的增减性[zhiku66.com].mp4 [26.46MB]

43-图象的对称性[zhiku66.com].mp4 [39.54MB]

44-看图求取值范围[zhiku66.com].mp4 [24.62MB]

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

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

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

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

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

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

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

精讲01-找点构成特殊角[zhiku66.com].mp4 [23.93MB]

精讲02-找点构成直角和等角[zhiku66.com].mp4 [31.03MB]

精讲03-二次函数中的将军饮马(上)[zhiku66.com].mp4 [22.55MB]

精讲04-二次函数中的将军饮马(下)[zhiku66.com].mp4 [26.81MB]

精讲05-二次函数中的几何最值(上)[zhiku66.com].mp4 [30.76MB]

精讲06-二次函数中的几何最值(下)[zhiku66.com].mp4 [23.49MB]

精讲07-二次函数中的动点问题(上)[zhiku66.com].mp4 [33.77MB]

精讲08-二次函数中的动点问题(下)[zhiku66.com].mp4 [34.69MB]

精讲09-根据图象求参数取值范围(上)[zhiku66.com].mp4 [26.10MB]

精讲10-根据图象求参数取值范围(下)[zhiku66.com].mp4 [21.69MB]

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

精讲12-几何问题与反比例函数-上[zhiku66.com].mp4 [30.61MB]

精讲13-几何问题与反比例函数-下[zhiku66.com].mp4 [30.15MB]

20-解直角三角形(13课)

1-正弦[zhiku66.com].mp4 [28.68MB]

2-余弦、正切、余切[zhiku66.com].mp4 [26.00MB]

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

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

5-锐角三角函数[zhiku66.com].mp4 [24.25MB]

6-求锐角三角函数[zhiku66.com].mp4 [23.59MB]

7-解直角三角形[zhiku66.com].mp4 [36.43MB]

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

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

精讲1-三角函数与圆综合问题-上[zhiku66.com].mp4 [24.18MB]

精讲2-三角函数与圆综合问题-下[zhiku66.com].mp4 [25.71MB]

精讲3-根据三角函数求角度和[zhiku66.com].mp4 [28.44MB]

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

21-圆(上)(16课)

01-圆的基本概念[zhiku66.com].mp4 [31.50MB]

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

03-弧、弦、圆心角[zhiku66.com].mp4 [26.87MB]

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

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

06-点到圆的距离[zhiku66.com].mp4 [25.64MB]

07-确定圆的条件[zhiku66.com].mp4 [37.01MB]

08-三角形的外接圆[zhiku66.com].mp4 [28.35MB]

09-垂径定理[zhiku66.com].mp4 [33.29MB]

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

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

12-圆周角定理[zhiku66.com].mp4 [32.58MB]

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

14-圆与倒角[zhiku66.com].mp4 [23.33MB]

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

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

22-圆(下)(21课)

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

02-切线的判定定理[zhiku66.com].mp4 [29.28MB]

03-切线的性质定理[zhiku66.com].mp4 [29.33MB]

04-切线长定理[zhiku66.com].mp4 [32.80MB]

05-三角形的内切圆[zhiku66.com].mp4 [43.61MB]

06-圆和圆的位置关系[zhiku66.com].mp4 [35.75MB]

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

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

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

10-圆中的相似[zhiku66.com].mp4 [36.82MB]

11-圆与相似综合[zhiku66.com].mp4 [27.33MB]

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

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

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

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

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

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

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

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

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

总结-圆的总结[zhiku66.com].mp4 [31.79MB]

数.初3下-北京课改(49课)

23-图形的变换(27课)

01-平移[zhiku66.com].mp4 [24.28MB]

02-旋转的引入[zhiku66.com].mp4 [18.40MB]

03-旋转的概念[zhiku66.com].mp4 [25.78MB]

04-旋转的性质[zhiku66.com].mp4 [22.40MB]

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

06-旋转对称性[zhiku66.com].mp4 [27.80MB]

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

08-旋转出全等[zhiku66.com].mp4 [17.83MB]

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

10-旋转全等三角形[zhiku66.com].mp4 [19.27MB]

11-旋转角谜题[zhiku66.com].mp4 [18.56MB]

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

13-旋转全等与旋转角[zhiku66.com].mp4 [16.92MB]

14-旋转总结[zhiku66.com].mp4 [22.80MB]

15-轴对称的性质[zhiku66.com].mp4 [28.61MB]

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

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

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

19-对称轴作图[zhiku66.com].mp4 [28.67MB]

20-作对称图形[zhiku66.com].mp4 [29.61MB]

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

22-位似[zhiku66.com].mp4 [32.47MB]

23-画位似图形[zhiku66.com].mp4 [36.65MB]

精讲1-构造旋转全等(上)[zhiku66.com].mp4 [19.73MB]

精讲2-构造旋转全等(下)[zhiku66.com].mp4 [23.70MB]

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

精讲4-旋转中的最值(下)[zhiku66.com].mp4 [19.47MB]

24-投影、视图与展开图(11课)

01-中心投影[zhiku66.com].mp4 [31.05MB]

02-平行投影[zhiku66.com].mp4 [28.48MB]

03-正投影[zhiku66.com].mp4 [26.09MB]

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

05-画三视图[zhiku66.com].mp4 [25.63MB]

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

07-根据投影进行计算[zhiku66.com].mp4 [21.36MB]

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

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

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

总结-投影与视图总结[zhiku66.com].mp4 [23.36MB]

25-概率的求法与应用(11课)

1-随机事件[zhiku66.com].mp4 [26.68MB]

2-概率的定义[zhiku66.com].mp4 [24.30MB]

3-等可能事件的概率[zhiku66.com].mp4 [30.58MB]

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

5-列表求概率[zhiku66.com].mp4 [40.35MB]

6-画树状图求概率[zhiku66.com].mp4 [34.04MB]

7-用频率估计概率[zhiku66.com].mp4 [30.78MB]

8-应用概率[zhiku66.com].mp4 [28.53MB]

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

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

精讲2-复杂问题中的概率-下[zhiku66.com].mp4 [23.37MB]

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