解不等式分式方程.x-1分之2-x>3

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解不等式分式方程.x-1分之2-x>3解不等式分式方程.x-1分之2-x>3解不等式分式方程.x-1分之2-x>3x-1分之2-x>3(x-1分之2)-x-3>0[2-(x+3)(x-1)]/(x-1

解不等式分式方程.x-1分之2-x>3
解不等式分式方程.x-1分之2-x>3

解不等式分式方程.x-1分之2-x>3
x-1分之2-x>3
(x-1分之2)-x-3>0
[2-(x+3)(x-1)] / (x-1)>0
(-x^2 -2x +5)/ (x-1)>0
[-(x+1)^2 +6 ] (x-1)>0
[(x+1)^2 - 6 ] (x-1)

3-(2-x)/(x-1)<0
(3x-3-2+x)/(x-1)<0
(4x-5)/(x-1)<0
即(4x-5)(x-1)<0
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