题目内容
(15-18×
)×
.
| 1 |
| 3 |
| 8 |
| 21 |
分析:先算括号内的乘法,再算括号内的减法,最后算括号外的乘法.
解答:解:(15-18×
)×
=(15-6)×
=9×
=
| 1 |
| 3 |
| 8 |
| 21 |
=(15-6)×
| 8 |
| 21 |
=9×
| 8 |
| 21 |
=
| 24 |
| 7 |
点评:此题考查了有括号的四则混合运算的顺算顺序.
练习册系列答案
相关题目
题目内容
| 1 |
| 3 |
| 8 |
| 21 |
| 1 |
| 3 |
| 8 |
| 21 |
| 8 |
| 21 |
| 8 |
| 21 |
| 24 |
| 7 |