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餘弦定理
Author:
羅驥韡 (Pegasus Roe)
Topic:
Cosine
GeoGebra
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垂直線的斜率
平行線的斜率
比較五件物件的重量
正方形雪花图案
祖冲之的期望:内棋与外棋
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二元一次不等式的解
三角函數sine跟cosine
數學解題2
畫三角形 題1b 的複本
剪切成正三棱柱(制作:李三军,修订:孟宝兴)
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Exponential Functions
Tangent Function
Means
Linear Programming or Linear Optimization
Quadratic Equations