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Rectangle _03
Author:
iedc
GeoGebra
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兩位數除以一位數（二）
算柱 (兩位數)
兩位數除以一位數（一）
找出對稱軸
畫出對稱圖形
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分數乘法的副本
等弦則等弦心距
教材製作-兩圓位置關係
P4_四下_面積（一）(教師版)
Completing the square(配方法)
Discover Topics
Cuboid
Arithmetic
Circumcircle or Circumscribed Circle
Quadratic Equations
Square