0.5x+1+(0.5x—1)1/3-1=x-150.5x+1+(0.5x—1)× 1/3 -1=x-15
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(x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x
一3x平方+5x—0.5x平方+x一1
12x-2/21x=快点9点之前还有7x-x+2/3x-3(4x-0.5)-2x+(3x-1)-(x+5)
(X-4)(x-2)-2(X-1)(X+3)其中X=-0.5
0.5x(x+2)=1-x(3-.05x) X=?
求x:|x|-|x-4|=0.5x-1
x/x+(1-x)/x-1/x
x-2/0.2-x+1/0.5=3 x=?
x-2/0.2-x+1/0.5=3求x
/X-3/-/X-1/
(3x/x-1)
x-3(x-1)
| X+1 |>| X-3 |
x+3/x-1
(x +1)(x-3)