题目内容
| 7 |
| 25 |
| 14 |
| 5 |
| 5 |
| 6 |
分析:首先把除法统一化为乘法,再确定结果的符号,再把绝对值相乘即可.
解答:解:原式=
×(-
)×(-
)
=
×
×
=
.
| 7 |
| 25 |
| 5 |
| 14 |
| 5 |
| 6 |
=
| 7 |
| 25 |
| 5 |
| 14 |
| 5 |
| 6 |
=
| 1 |
| 12 |
点评:此题主要考查了有理数的乘除法,关键是首先统一化为乘法再计算,注意结果符号的判断.
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| 7 |
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| 14 |
| 5 |
| 5 |
| 6 |
| 7 |
| 25 |
| 5 |
| 14 |
| 5 |
| 6 |
| 7 |
| 25 |
| 5 |
| 14 |
| 5 |
| 6 |
| 1 |
| 12 |