题目内容
计算:
0.75×
÷1
.
0.75×
| 2 |
| 3 |
| 1 |
| 24 |
分析:把0.75化成分数,把除法改为乘法,约分计算.
解答:解:0.75×
÷1
,
=
×
×
,
=
.
| 2 |
| 3 |
| 1 |
| 24 |
=
| 3 |
| 4 |
| 2 |
| 3 |
| 24 |
| 25 |
=
| 12 |
| 25 |
点评:完成此题,注意数字以及乘除法的转化.
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| 1 |
| 24 |
| 2 |
| 3 |
| 1 |
| 24 |
| 3 |
| 4 |
| 2 |
| 3 |
| 24 |
| 25 |
| 12 |
| 25 |