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 |