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緯度、日照、影長

Author:: arist

這是模擬不同時間點(調整日照直射緯度 α 與不同時間點，觀察其影子長度變化。

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未命名
洋葱23-构造旋转全等(下)-A
正方体展开图的副本
比較角的大小(直接比較)
同分母分數減法50

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ｔｅｓｔ
複合圖形
正多边形构造
根號n螺線003
周界-平移法(練習四)

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