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「相似三角形」任务1的副本
Author:
地心引力
,
gklwong
Topic:
Similar Triangles
任务1
GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
球体的体积推导（优化版）
判斷球體
柱體建築師
Discover Resources
aaa aaa aaa aaa
test
三心：與三角形形狀的關係
平行四邊形
面积平分线
Discover Topics
Prism
Cube
Pie Chart or Circle Chart
Cylinder
Dilation