题目内容
| 2 |
| 9 |
| 5 |
| 18 |
| 3 |
| 5 |
分析:我们根据四则混合运算的顺序进行解答,先计算括号内部的,括号内的运用乘法分配律进行计算即可.
解答:解:
×(3.65÷
-3.6+7.35×3
),
=
×(3.65×
-3.6+7.35×
),
=
×[
×(3.65+7.35-1)],
=
×[3.6×10],
=
×36,
=8.
| 2 |
| 9 |
| 5 |
| 18 |
| 3 |
| 5 |
=
| 2 |
| 9 |
| 18 |
| 5 |
| 18 |
| 5 |
=
| 2 |
| 9 |
| 18 |
| 5 |
=
| 2 |
| 9 |
=
| 2 |
| 9 |
=8.
点评:考查了运算定律与简便运算,四则混合运算.注意运算顺序和运算法则,灵活运用所学的运算律简便计算.
练习册系列答案
相关题目