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正方形纸片剪出正三角形(顶点在边上)
Author:
孟宝兴
正方形纸片剪出正三角形(顶点在边上)
GeoGebra
New Resources
柱體建築師
四邊形的特性
畫出對稱圖形
球体的体积推导(优化版)
三位數除以一位數(一)
Discover Resources
ex 3
假分數轉為帶分數
四邊形的邊長與限制
橢圓的副本
等距曲线ggb作图法
Discover Topics
Cosine
Percentages
Linear Equations
Equations
Arithmetic