
这道题目是怎么得出结果的?
(900/900+900)*0.9+10%=55%(1800/1800+900)*0.9+10%=70%(9000/9000+900)*0.9+10%=91.8%...
(900/900+900)*0.9+10%=55%
(1800/1800+900)*0.9+10%=70%
(9000/9000+900)*0.9+10%=91.8% 展开
(1800/1800+900)*0.9+10%=70%
(9000/9000+900)*0.9+10%=91.8% 展开
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