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/x-2 + 1/2-x =3要至少一步的步骤+结果,1.(x-6)/(x-7)+1/(7-x)=82.(x-1/x+1) + (2x/1-2x) =0 3.(x-1/x-2) + (1/2-x) =3
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![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/x-2 + 1/2-x =3要至少一步的步骤+结果,1.(x-6)/(x-7)+1/(7-x)=82.(x-1/x+1) + (2x/1-2x) =0 3.(x-1/x-2) + (1/2-x) =3](/uploads/image/z/7535016-0-6.jpg?t=3%E9%81%93%E5%BE%88%E7%AE%80%E5%8D%95%E7%9A%84%E5%88%86%E5%BC%8F%E6%96%B9%E7%A8%8B%E9%A2%98%2C1.x-6%2Fx-7+%2B+1%2F7-x+%3D82.x-1%2Fx%2B1+%2B+2x%2F1-2x+%3D03.x-1%2Fx-2+%2B+1%2F2-x+%3D3%E8%A6%81%E8%87%B3%E5%B0%91%E4%B8%80%E6%AD%A5%E7%9A%84%E6%AD%A5%E9%AA%A4%2B%E7%BB%93%E6%9E%9C%2C1.%EF%BC%88x-6%29%2F%28x-7%29%2B1%2F%287-x%29%3D82.%28x-1%2Fx%2B1%29+%2B+%282x%2F1-2x%29+%3D0+3.%28x-1%2Fx-2%29+%2B+%281%2F2-x%29+%3D3)
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/x-2 + 1/2-x =3要至少一步的步骤+结果,1.(x-6)/(x-7)+1/(7-x)=82.(x-1/x+1) + (2x/1-2x) =0 3.(x-1/x-2) + (1/2-x) =3
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
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/x-2 + 1/2-x =3要至少一步的步骤+结果,1.(x-6)/(x-7)+1/(7-x)=82.(x-1/x+1) + (2x/1-2x) =0 3.(x-1/x-2) + (1/2-x) =3
第一题是:x=51/7
第二题是:x=0
第三题是无解的,即等式不成立,算到最后你就知道了1!=3所以不能算下去
你这题的分母是怎么回事啊 到底有括号没啊???
第一题和第三题有问题 等号左右不等 第二题X=1/5
1. x-6/x-7 + 1/7-x =8
x-6/x-7 - 1/X-7 =8
x-6-1/x-7 =8
X-7/X-7 =8 ???左边呀
2. x-1/x+1 + 2x/1-2x =0 X=1/5
3. x-1/x-2 + 1/2-x =3
x-1/x-2 - 1/X-2 =3
X-2/X-2 =3
第二题是1/5,其他自己解,要把虚根去除,老子没功夫算了!