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同分母分數比較_胡老師
Author:
wu hoi yi
GeoGebra
New Resources
兩位數除以一位數（一）
球体的体积推导（优化版）
兩組對邊相等的四邊形
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
Dilate 習作
水流問題(黑板)
等腰三角形 － 等角對等邊的副本
拋物線的開口、對稱軸、頂點
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Curve Sketching
Rectangle
Geometry
Geometric Mean
Distributions