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angle_c
Author:
Jimmy Ma
GeoGebra
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折扣
圓周公式的應用
三角函数 的副本
科氏力 (Coriolis Force)
祖冲之的期望：内棋与外棋
Discover Resources
邊長與三角形（二）
B4 4-1 平行線性質
褶正三角形
平面截正方体
椭圆的参数方程的副本
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Cosine
Logarithmic Functions
Linear Programming or Linear Optimization
Fractions
Quadratic Functions