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有趣的数学现象
一个有趣的数学现象:(1+2+3+4)^2=1^3+2^3+3^3+4^3,because the colored shapes form a square, but they also form the foldin
2022-07-13
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一个有趣的数学现象:(1+2+3+4)^2=1^3+2^3+3^3+4^3,because the colored shapes form a square, but they also form the foldin
2022-07-13
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