3道很简单的分式方程题,1.x-6/x-7 + 1/7-x =82.x-1/x+1 + 2x/1-2x =03.x-1/
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题目内容:
3道很简单的分式方程题,
1.x-6/x-7 + 1/7-x =8
2.x-1/x+1 + 2x/1-2x =0
3.x-1/x-2 + 1/2-x =3
要至少一步的步骤+结果,
1.(x-6)/(x-7)+1/(7-x)=8
2.(x-1/x+1) + (2x/1-2x) =0
3.(x-1/x-2) + (1/2-x) =3
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