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2-x/x-3整体+1/3-x=3(2)5x-4/2x-4=2x+5/3x-6整体-0.5解方程
人气:351 ℃ 时间:2019-10-19 17:21:52
解答
(2-x)/(x-3)+1/(3-x)=3(2-x)/(x-3)-1/(x-3)=3(2-x-1)/(x-3)=31-x=3x-94x=10x=2.5(5x-4)/(2x-4)=(2x+5)/(3x-6)-0.53(5x-4)/(6x-12)=2(2x+5)/(6x-12)-33(5x-4)/(6x-12)-2(2x+5)/(6x-12)+...
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