对于任意两个实数x和y,总有_x+y,—一一石—~丁一 ‘X一y 2x+y 一(a十b)十(a一b)一Za~而.例3正数m,n满足m+4丫下蕊一2丫下i一4在+4n一3,X一y一。一一2 Xy了l||l‘|we|L若令x十yX一y 2一b,则有。了不十2石一8,。,,本一二二二尸一一一二二,一于一一甲即1且. 了m+2了n+2002解=a+b, For any two real numbers x and y, there is always _x+y, - one stone - ~ Dingyi ’X - y 2x + y (a ten b) ten (a - b) - Za ~ and. Example 3 The positive number m,n satisfies m+4 and the next one has two cores. The next i is 4 at +4n, 3, and X is y. One by one 2 Xy l||l ‘|we|L If order x ten yX a y 2 a b, then there are. No stone, no stone, no stone. ,, the 1122 corpse, 1112, one to one, one armored one, and the m+2 n+2002 solution=a+b,