3x+6 |
x2-4 |
2 |
x-2 |
5 |
x+1 |
4 |
x |
3x+6 |
x2-4 |
2 |
x-2 |
3(x+2) |
(x+2)(x-2) |
2 |
x-2 |
3 |
x-2 |
2 |
x-2 |
1 |
x-2 |
1 |
x-2 |
1 |
1-2 |
k |
x2-1 |
6 |
x-1 |
1 |
x+1 |
2x |
2x-1 |
5 |
1-2x |
x |
x-1 |
x-2 |
x2-x |
1 |
x-2 |
1 |
2-x |
A.x=1 | B.x=2 | C.无解 | D.x=4 |
x-2 |
2x-3 |
2 |
3-2x |
A.x=1.5 | B.x=4 | C.x=0 | D.无解 |
x |
2x-5 |
5 |
5-2x |
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