题目内容
0.192×12.5+2.67÷
-1
×3.59.
| 4 |
| 5 |
| 1 |
| 4 |
分析:0.192×12.5=1.92×1.25,2.67÷
=2.67×1.25,1
×3.59=1.25×3.59,然后再根据乘法分配律进行简算.
| 4 |
| 5 |
| 1 |
| 4 |
解答:解:0.192×12.5+2.67÷
-1
×3.59,
=1.92×1.25+2.67×1.25-1.25×3.59,
=l.25×(1.92+2.67-3.59),
=1.25×1,
=1.25.
| 4 |
| 5 |
| 1 |
| 4 |
=1.92×1.25+2.67×1.25-1.25×3.59,
=l.25×(1.92+2.67-3.59),
=1.25×1,
=1.25.
点评:完成本题要注意分析式中数据,运用合适的简便方法计算.
练习册系列答案
相关题目