题目内容
式4a+3ab-
b减去-2a-
ab+
b的差是______.
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| 2 |
| 3 |
| 2 |
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| 3 |
(4a+3ab-
b)-(-2a-
ab+
b)
=4a+3ab-
b+2a+
ab-
b
=6a+
ab-
b.
故答案为:6a+
ab-
b.
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| 2 |
| 3 |
| 2 |
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| 3 |
=4a+3ab-
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| 2 |
| 3 |
| 2 |
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| 3 |
=6a+
| 9 |
| 2 |
| 5 |
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故答案为:6a+
| 9 |
| 2 |
| 5 |
| 6 |
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