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定长线段在相交直线上滑动
Author:
冯伟冀
GeoGebra
New Resources
第三周作业效果演示
科氏力 (Coriolis Force)
第八周作业2
常见四边形是否是双心四边形
圓的基本性質
Discover Resources
Quiz on Mixed Arithmetic Operations of Positive Integers 正整數四則混合運算：測驗
y = sin(ωx)的圖像
指數函數的圖形
第三冊2-2練習11
旋轉對稱 Rotational symmetry
Discover Topics
Definite Integral
Derivative
Square
Algebra
Planes