题目内容
已知：| 1 |
| a |
| 1 |
| b |
| a-3ab+b |
| a+12ab+b |
分析：由
+
=6，得a+b=6ab．代入所求的式子化简即可．
| 1 |
| a |
| 1 |
| b |
解答：解：由
+
=6，得a+b=6ab，
∴
=
=
=
=
．
故答案为
．
| 1 |
| a |
| 1 |
| b |
∴
| a-3ab+b |
| a+12ab+b |
| a+b-3ab |
| a+b+12ab |
| 6ab-3ab |
| 6ab+12ab |
| 3ab |
| 18ab |
| 1 |
| 6 |
故答案为
| 1 |
| 6 |
点评：解题关键是用到了整体代入的思想．
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