SAT 数学求解,思路是什么
IfXandYaretwodifferentintegersandtheproduct35XYisthesquareofaninteger,whichofthefollo...
If X and Y are two different integers and the product 35XY is the square of an integer, which of the following could be equal to XY
A.5 B.70 C.105 D.140 E.350 展开
A.5 B.70 C.105 D.140 E.350 展开
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