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写出两个正整数m,n(m
人气:475 ℃ 时间:2020-09-08 04:17:23
解答
设m:n=3:4
m^2+(4m/3)^2=115^2
m^2+16m^2/9=115^2
25m^2=(115*3)^2
m=69 n=92
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