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加法
Author:
陳冠彰
Topic:
Addition
義守財數101級製作
GeoGebra
New Resources
柱體建築師
兩位數加法
兩組對邊相等和有直角的四邊形
畫出對稱圖形
拼砌四邊形
Discover Resources
圖是正確的
邊長與三角形(一)
共點線1
任意四邊形1比3
圆的面积展开的副本
Discover Topics
Curve Sketching
Constructions
Sphere
Cone
Rotation