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梯形面積(求上底)
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
Discover Resources
海市蜃樓
Box method for multiplication
生活中的平面圖形問題1
Solution_to_a_System_of_Linear_Equations
數值滑桿_長方形1
Discover Topics
Indefinite Integral
Matrices
Planes
Algebra
Differential Equation