题目内容
321×3.3-123÷
=
| 3 |
| 10 |
326
| 2 |
| 3 |
326
.| 2 |
| 3 |
分析:化3.3=
,再运用乘法分配律解答.
| 10 |
| 3 |
解答:解:321×3.3-123÷
,
=(321-123)×
,
=198×
,
=(200-2)×
,
=200×
-2×
,
=666
-6
,
=660.
| 3 |
| 10 |
=(321-123)×
| 10 |
| 3 |
=198×
| 10 |
| 3 |
=(200-2)×
| 10 |
| 3 |
=200×
| 10 |
| 3 |
| 10 |
| 3 |
=666
| 2 |
| 3 |
| 2 |
| 3 |
=660.
点评:本题主要考查学生运用乘法分配律解决问题的能力.
练习册系列答案
相关题目