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【立体字】劳动节5.1
Author:
孟宝兴
GeoGebra
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找出對稱軸
兩組對邊相等和有直角的四邊形
【案例】圆柱体内放置一个大球六个小球
畫出對稱圖形
GeoGebra笔记功能体验课件
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切割任意四邊形再拼砌成矩形
-1 ≤ cosA cosB cosC ≤ 1/8
blue
等角作圖
y=sinx描點
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Statistics
Hypothesis Testing
Differential Calculus
Complex Numbers
Addition