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综合（2）15.
Author:
Sylvie
GeoGebra
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科氏力 (Coriolis Force)
第八周作业1
圓的切線方程
平行線的判定
正方形雪花图案
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方格紙
數位學習社
平面向量的三點共線定理
Gauss Seidel 線性迭代求解
翹翹板
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Equations
Means
Histogram
Trapezoid
Perimeter