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改变单位圆验证2
Author:
lzp80
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
三位數除以一位數（一）
拼砌四邊形
第八周作业
Discover Resources
等量公理
Circle Rule
假的龍珠
兩位數除兩位數(例子二)
面积平分线
Discover Topics
Indefinite Integral
Normal Distribution
Vectors 3D (Three-Dimensional)
Binomial Distribution
Fractal Geometry