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少一塊
Author:
李春培
Topic:
Rectangle
少一塊
GeoGebra
New Resources
找出對稱軸
四邉形 (四年級) 教師版
兩位數加法
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
Discover Resources
square construction
音調與空氣柱
立面化設計
展開圓面積 (講義版)的副本
分页显示及分步显示
Discover Topics
Indefinite Integral
Interest Calculation
Equations
Statistical Characteristics
Intersection