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正弦定理

Author:yuchengda

New Resources

拼砌四邊形
柱體建築師
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
球體建築師

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正立方體與正三角錐
線對稱圖形練習1
十字轉換成2正方形
Incentre
拋物線3--平行四邊形法

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Triangles
Probability
Arithmetic
Rotation
Indefinite Integral

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