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GeoGebra
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GeoGebra
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3-6-04
Author:
Tzuen Hsu
GeoGebra
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算柱 (兩位數)
找出對稱軸
兩位數加法
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
分割
大斜方截半立方體
线性方程组
拋物線的幾何性質
[洋葱] 相似与全等
Discover Topics
Cuboid
Division
Reflection
Multiplication
Special Points