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(11x+330)/(5x+330)=11/6
人气:332 ℃ 时间:2020-05-12 13:49:27
解答
(11x+330)/(5x+330)=11/6
6(11x+330)=11(5x+330)
66x+1980=55x+3630
11x=1650
x=150
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