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以剪貼比較圖形大小 題1
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
近似值：有效數字
美國國旗 (Codex 版)
找出對稱軸
算柱 (兩位數)
Nested spiral octagon
Discover Resources
有趣的切圓
找中點的坐標
相似形
軌跡觀察---兩軸上的固定長定點軌跡
线段
Discover Topics
Area
Algebra
Division
Rotation
Functions