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冰淇淋
Author:
Cathyyu920311
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兩位數加法
球体的体积推导（优化版）
兩組對邊相等的四邊形
判斷球體
柱體建築師
Discover Resources
Area of Triangle_2
判斷柱體 2
平行四邊形面積
angle sum of polygon
圓餅圖的副本
Discover Topics
Expected Value
Geometric Mean
Solids or 3D Shapes
Linear Regression
Set Theory