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Proof2
Author:
郭亮偉
GeoGebra
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兩組對邊相等和有直角的四邊形
兩位數加法
算柱 (兩位數)
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
Discover Resources
椭圆两个焦点与椭圆上点的连线
向量的加法法则
正方体展开图的副本
黄冈中考16题(扇形滚动)
分數乘法
Discover Topics
Isosceles Triangles
Quadratic Functions
Dilation
Median Line
Linear Programming or Linear Optimization