题目内容
(-3)2÷2| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 3 |
分析:首先计算括号内面的,然后计算乘除,接着计算加减即可求解.
解答:解:原式=9×
×
+4+
=
+4+
=
.
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 3 |
=
| 16 |
| 9 |
| 4 |
| 3 |
=
| 64 |
| 9 |
点评:此题主要考查了有理数的混合运算法则:有括号首先计算括号,然后计算乘除,接着计算加减.
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题目内容
(-3)2÷2| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 3 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 3 |
| 16 |
| 9 |
| 4 |
| 3 |
| 64 |
| 9 |