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-1 ≤ cosA cosB cosC ≤ 1/8
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
空间中两直线的位置关系
圓周公式的應用
科氏力 (Coriolis Force)
平行線的斜率
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機率統計
厘米和毫米
乘加挑戰題
Quiz on Addition and Subtraction of Directed Numbers (2)
正方体内切球
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Surface
Vectors 2D (Two-Dimensional)
Frequency Distribution
Root
Ellipse