题目内容
156-(
-
)
| 6 |
| 7 |
| 2 |
| 5 |
分析:156-(
-
)先算小括号里面的减法,再算括号外的减法.
| 6 |
| 7 |
| 2 |
| 5 |
解答:解:156-(
-
),
=156-
,
=155
.
| 6 |
| 7 |
| 2 |
| 5 |
=156-
| 16 |
| 35 |
=155
| 19 |
| 35 |
点评:一个算式里,如果有括号,要先算小括号里的,再算括号外的.
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题目内容
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| 7 |
| 2 |
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| 7 |
| 2 |
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| 16 |
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