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Circle Area (By Peeling!)
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Author:
阮老师
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Circle Area (By Peeling!)
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Circle Area (By Peeling!)
New Resources
三位數除以一位數（一）
四邊形的特性
兩組對邊相等和有直角的四邊形
判斷球體
兩位數除以一位數（二）
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假的龍珠
杨辉三角
翰林數學_2下_CH3-1_多邊形的內角和
正方形纸片剪出正三角形（顶点在边上）
Discover Topics
Boxplot
Median Line
Kite
Scalene Triangles
Mathematics
