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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
錐體建築師
判斷球體
找出對稱軸
四邊形的特性
【案例】2018年全国1卷理科12题
Discover Resources
Apollonius Problem gergonne 1
YIPPUIMEIgeogebra
Copy of 固定面積的圖形的周界變化
讀磅
圖形拼砌
Discover Topics
Subtraction
Random Experiments
Limits
Sequences and Series
Constructions