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3-3-03
Author:
Tzuen Hsu
GeoGebra
New Resources
三位數除以一位數（二）
畫出對稱圖形
兩組對邊相等的四邊形
近似值：有效數字
兩組對邊相等和有直角的四邊形
Discover Resources
正方形與正三角形
圖形縮放展示
會動的函數圖形
分水問題
数学
Discover Topics
Symmetry
Reflection
Numbers
Isosceles Triangles
Arithmetic