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设输入是m,n a,b是最终的结果 有: a*b/m=n 即a*b = m * n; a+b=a+(m*n)/a>=2sqrt(m*n) 这时在a+b的最小值时a的取值不就是2sqrt(m*n)附近吗?

Posted by 200831000423 at 2010-10-04 15:20:18 on Problem 2429 and last updated at 2010-10-04 15:23:48


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