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不难,但是有点烦
[4x/(x-3)-4]^2 / [(4x+3)/(x-3)-8x/(x-3)+4]=25/4
解出的100分酬谢!
人气:341 ℃ 时间:2020-10-01 13:17:03
解答
[4x/(x-3)-4]^2 / [(4x+3)/(x-3)-8x/(x-3)+4]=25/4
[12/(x-3)]^2/[-9/(x-3)]=25/4
16/(3-x)=25/4
x=11/25
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