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waaachen
Author:
陳兪宏
waaachen
GeoGebra
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找出對稱軸
GeoGebra笔记功能体验课件
近似值：有效數字
【案例】2018年全国1卷理科12题
兩位數加法
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截面法體積(2)
反正切函數
齿轮咬合
Copy of 二次函數圖形
圆之吻（Apollonius circles）
Discover Topics
Mode
Real Numbers
Rational Numbers
Straight Lines
Polynomial Functions