题目内容
2-(
÷
-
)
| 1 |
| 5 |
| 8 |
| 25 |
| 1 |
| 4 |
分析:先算括号内的除法,再算括号内的减法,最后算括号外的减法.
解答:解:2-(
÷
-
)
=2-(
×
-
)
=2-(
-
)
=2-
=
.
| 1 |
| 5 |
| 8 |
| 25 |
| 1 |
| 4 |
=2-(
| 1 |
| 5 |
| 25 |
| 8 |
| 1 |
| 4 |
=2-(
| 5 |
| 8 |
| 1 |
| 4 |
=2-
| 3 |
| 8 |
=
| 13 |
| 8 |
点评:此题主要考查了四则混合运算的运算顺序和运算法则.
练习册系列答案
相关题目