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整數或分數÷分數_ 工作紙（一）_題2c
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
直角坐標平面上的旋轉變換
Nested spiral octagon
找出對稱軸
美國國旗 (Codex 版)
近似值：有效數字
Discover Resources
把三角形分類
平行線
平行四邊形堆朵
劉徽的「割圓術」 的複本
已知長方形周界和長求闊
Discover Topics
Cube
Linear Programming or Linear Optimization
Arithmetic
Equilateral Triangles
Derivative