在括号里写出各组数的最大公因数:1D8c-?;}:i;`7Q/f5_-t
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8和20 +^7j8D0N-?+e5y 41和6 4a0x6`7E)|0S 51和17 0]:H4W2D0})b2Z;H 25和10 6u:e/e.n1C.P1D8c-?;}:i;`7Q/f5_-t