| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 2005×2006 |
即(1-
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2005 |
| 1 |
| 2006 |
(1-
| 1 |
| 2006 |
即
| 2005 |
| 2006 |
解得:x=2006.
(2)由已知可得:|3x-4|=2,
由绝对值的意义可知:3x-4=2或3x-4=-2,
解得:x=2或x=
| 2 |
| 3 |
| x |
| 1×2 |
| x |
| 2×3 |
| x |
| 3×4 |
| x |
| 2005×2006 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 2005×2006 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2005 |
| 1 |
| 2006 |
| 1 |
| 2006 |
| 2005 |
| 2006 |
| 2 |
| 3 |