| x+2−1 |
| x+2 |
| x+3−1 |
| x+3 |
| x+6−1 |
| x+6 |
| x+7−1 |
| x+7 |
即1-
| 1 |
| x+2 |
| 1 |
| x+3 |
| 1 |
| x+6 |
| 1 |
| x+7 |
整理得:
| 1 |
| x+3 |
| 1 |
| x+2 |
| 1 |
| x+7 |
| 1 |
| x+6 |
| x+2−x−3 |
| (x+2)(x+3) |
| x+6−x−7 |
| (x+6)(x+7) |
整理得:
| 1 |
| x2+5x+6 |
| 1 |
| x2+13x+42 |
去分母得:x2+5x+6=x2+13x+42,
解得:x=-4.5,
经检验是分式方程的解.
| x+1 |
| x+2 |
| x+2 |
| x+3 |
| x+5 |
| x+6 |
| x+6 |
| x+7 |
| x+2−1 |
| x+2 |
| x+3−1 |
| x+3 |
| x+6−1 |
| x+6 |
| x+7−1 |
| x+7 |
| 1 |
| x+2 |
| 1 |
| x+3 |
| 1 |
| x+6 |
| 1 |
| x+7 |
| 1 |
| x+3 |
| 1 |
| x+2 |
| 1 |
| x+7 |
| 1 |
| x+6 |
| x+2−x−3 |
| (x+2)(x+3) |
| x+6−x−7 |
| (x+6)(x+7) |
| 1 |
| x2+5x+6 |
| 1 |
| x2+13x+42 |