题目内容
化简:
÷
+
.
| a2+3a |
| a2+3a+2 |
| a+3 |
| a+1 |
| 2 |
| a+2 |
| a2+3a |
| a2+3a+2 |
| a+3 |
| a+1 |
| 2 |
| a+2 |
| a(a+3) |
| (a+1)(a+2) |
| a+1 |
| a+3 |
| 2 |
| a+2 |
=
| a |
| a+2 |
| 2 |
| a+2 |
=1,
故答案为1.
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题目内容
| a2+3a |
| a2+3a+2 |
| a+3 |
| a+1 |
| 2 |
| a+2 |
| a2+3a |
| a2+3a+2 |
| a+3 |
| a+1 |
| 2 |
| a+2 |
| a(a+3) |
| (a+1)(a+2) |
| a+1 |
| a+3 |
| 2 |
| a+2 |
| a |
| a+2 |
| 2 |
| a+2 |