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平移旋轉
Author:
chen mingchuan
GeoGebra
New Resources
三位數除以一位數（一）
兩組對邊相等的四邊形
兩位數除以一位數（二）
算柱 (兩位數)
四邉形 (四年級) 教師版
Discover Resources
平方差
circle
GGB5
七巧板
y=ax^2性質
Discover Topics
Algebra
Differential Equation
Rational Numbers
Step Functions
Normal Distribution