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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
兩組對邊相等的四邊形
算柱 (兩位數)
兩位數除以一位數（二）
Discover Resources
amoeba
骨牌
二次涵数的图象y=ax^2+b的副本
三年級除法(四)：一位數除三位數
指数函数的副本
Discover Topics
LCM and GCD
Geometric Transformations
Equilateral Triangles
Combinatorics
Polygons