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勾股定理毕达哥拉斯证法
Author:
王会增
GeoGebra
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画直线等分三角形的面积
讀磅
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
斜率的值
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Trigonometric Ratios: Sine 三角比：正弦
角内切圆
空間座標系
Geometry : Basic Elements (幾何： 基本元素)
高中數學指考學測
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Quadrilaterals
Inequalities
General Quadrilateral
Integers
Similar Triangles