题目内容
化简(a
b
)(-3a
b
)÷(
a
b
)的结果是
______.
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(a
b
)(-3a
b
)÷(
a
b
),
=-9a
+
-
b
+
-
,
=-9a,
故答案为-9a.
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=-9a
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=-9a,
故答案为-9a.
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相关题目
化简(a
b
)(-3a
b
)÷(
a
b
)的结果( )
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| 6 |
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| 6 |
| A、6a |
| B、-a |
| C、-9a |
| D、9a2 |