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解方程:(x-8000 )·(1+10%)= (1+35%)x-11800
(x-8000 )·(1+10%)= (1+35%)x-11800
最后结果是12000
人气:346 ℃ 时间:2020-03-24 02:31:29
解答

(x-8000)(1+10%)=(1+35%)x-11800
(x-8000)×1.1=1.35x-11800
1.1x-8800=1.35x-11800
1.1x-1.35x=8800-11800
-0.25x=-3000
x=12000
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