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Author:
shp
GeoGebra
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四邊形的特性
球體建築師
三位數除以一位數（二）
球体的体积推导
兩組對邊相等的四邊形
Discover Resources
方格紙上畫梯形2
串珠
P.4對稱
Addition and Subtraction of Directed Numbers (1)
直线过定点问题(1)
Discover Topics
Hyperbola
Power Functions
Cylinder
Arithmetic Operations
Interest Calculation