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y币邢可(1) 577(3) 657(2) 647(4) 637 |
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Answer» a2+b2=6132 a2+b2>=2ab We can assume that 2ab=a2+b2 Therefore, a2+2ab+b2=2∗6132 (a+b)2=2∗6132 (a+b) = 613√2. |
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