题目内容
|-| 7 |
| 9 |
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
分析:首先计算括号内的式子,以及乘方,然后计算乘法,最后计算加减即可.
解答:解:原式=
÷
-
×16
=
×
-
=
-
=-
.
| 7 |
| 9 |
| 10-3 |
| 15 |
| 1 |
| 3 |
=
| 7 |
| 9 |
| 15 |
| 7 |
| 16 |
| 3 |
=
| 5 |
| 3 |
| 16 |
| 3 |
| 11 |
| 3 |
点评:本题考查了有理数的混合运算,正确确定运算顺序是关键.
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