1.化简:(x-4)/(x^2-1)除以(x^2-3x+4)/(x^2+2x+1)+1/(x-1);2.若1/a-1/b=2,求(a+2ab-b)/(2a-ab-2b)的值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 13:39:21
![1.化简:(x-4)/(x^2-1)除以(x^2-3x+4)/(x^2+2x+1)+1/(x-1);2.若1/a-1/b=2,求(a+2ab-b)/(2a-ab-2b)的值.](/uploads/image/z/10311309-45-9.jpg?t=1.%E5%8C%96%E7%AE%80%EF%BC%9A%28x-4%29%2F%28x%5E2-1%29%E9%99%A4%E4%BB%A5%28x%5E2-3x%2B4%29%2F%28x%5E2%2B2x%2B1%29%2B1%2F%28x-1%29%EF%BC%9B2.%E8%8B%A51%2Fa-1%2Fb%3D2%2C%E6%B1%82%28a%2B2ab-b%29%2F%282a-ab-2b%29%E7%9A%84%E5%80%BC.)
xTn@/mē,XQ""x ("(iBZڴ *3/p2cSSUBWssιuU
*z'HH٠d2of&g~ye$1+3:Ģc1Cpb?(T݇$VL]1
K;`zGJ9zP6[/מ;vF%RΰC|-zmAK,[$:1*f]wEΤx#
1r~Dt/Hɐ+U