题目内容
化简4a
b-
÷(-
a-
b-
)=______．
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 3 |
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| 3 |
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| 3 |
4a
b-
÷(-
a-
b-
)
=4×(-
)×a
+
b-
+
=-6a．
故答案为：-6a．
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
=4×(-
| 3 |
| 2 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
=-6a．
故答案为：-6a．
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