og-169: If n is a positive integer and n2 is divisible by 72, then the largest positive integer that must divide n is ?
看不懂这道题的题干,请高人帮助解释一下!谢谢
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说实话,这道题还是不明白,不管怎样非常谢谢你!
n^2=3^2 *2^3
so n=12
the largest possible integer that divides a given integer is the integer itself~
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