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多边形的展开
Author:
赵林
GeoGebra
New Resources
找出對稱軸
拼砌四邊形
兩位數加法
画直线等分三角形的面积
錐體建築師
Discover Resources
PMC 2014-15 Q1
觀察圖中有哪些角會相等
錐台
圓周率的應用 題4
cos, sin 與單位圓的副本
Discover Topics
Pythagoras or Pythagorean Theorem
Stochastic Process or Random Process
Cuboid
Kite
Linear Programming or Linear Optimization