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Author:
徐长俊
GeoGebra
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異分母分數減法
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
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腳踏車輪圈2
斜線2
泰勒展开式
腾讯网
找出對稱軸
Discover Topics
Rotation
Orthocenter
Polygons
Functions
Statistics