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三角形
Author:
ecufecl
Topic:
Triangles
三角形A
GeoGebra
三角形B
New Resources
画直线等分三角形的面积
GeoGebra笔记功能体验课件
拼砌四邊形
兩位數加法
【案例】圆柱体内放置一个大球六个小球
Discover Resources
三角形的內角和＝180度
test
平面区域的理解
求切线方程(改进)
折纸角度探究1
Discover Topics
Probability
Stochastic Process or Random Process
Sphere
Mode
Subtraction