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切割正二十面體(直)
Author:
薛鈞聰
GeoGebra
New Resources
兩位數加法
四邊形的特性
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
分段移動
分數乘法
mooc第五讲作业单晨制作
小游戏
正方形折纸减去两角
Discover Topics
Trapezoid
Sine
Triangles
Power Functions
Linear Programming or Linear Optimization