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最簡分數
Author:
李春培
Topic:
Fractions
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
四邊形的特性
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
Discover Resources
兩圓內外公切線
perd fr ctr bisect
圓外切四邊形
內心
最大公约数的几何意义
Discover Topics
Calculus
Standard Deviation
Vectors 3D (Three-Dimensional)
Scalene Triangles
Equilateral Triangles