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優良作品1
Author:
Ching-Hui Chou
GeoGebra
New Resources
柱體建築師
球體建築師
算柱 (兩位數)
兩位數除以一位數（二）
拼砌四邊形
Discover Resources
telling the time
生活中的平面圖形關係─平行
線性規劃
椭圆内部全等的双椭圆构造.许兴华数学
分數乘法
Discover Topics
Quadratic Equations
Square
Ellipse
Real Numbers
Logic