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Tool3P4P之二
Author:
侯杰材
GeoGebra
New Resources
判斷球體
四邊形的特性
四邉形 (四年級) 教師版
算柱 (兩位數)
長方體平面投影 (Codex版)
Discover Resources
[工具箱] 標示長度
perimeter
正立方體切三刀
（三）观察物体
三阶魔方（magic cube）
Discover Topics
Rectangle
Cylinder
Perimeter
Trapezium
Inequalities