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两圆的位置关系
Author:
Xiaoting Yuan
Topic:
Circle
GeoGebra
New Resources
找出對稱軸
直角坐標平面上的旋轉變換
拼砌四邊形
判斷球體
兩位數除以一位數（一）
Discover Resources
tool for age question
极坐标
Pole & Polar
九點圓
文繞圖1
Discover Topics
Volume
Orthocenter
Terms
Rational Numbers
Congruence