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兩位數加法
Author:
Anthony OR 柯志明
Topic:
Addition
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
畫出對稱圖形
兩位數除以一位數（二）
Discover Resources
碎形
滑桿按鈕輸入框
製作對稱圖形 LEVEL 1
圓與切線
部分佔全部的百分率 :例2的副本
Discover Topics
Plane Figures or Shapes
Intersection
Subtraction
Tangent Line or Tangent
Indefinite Integral