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正三角形繞正方形旋轉
Author:
AlexWang
GeoGebra
New Resources
直角坐標平面上的旋轉變換
柱體建築師
拼砌四邊形
算柱 (兩位數)
兩組對邊相等的四邊形
Discover Resources
自製工具：「星星」
會逗留的折線
真分數乘以真分數
孔明棋
外心
Discover Topics
Linear Equations
Kite
Pie Chart or Circle Chart
Median Line
Percentages