题目内容
计算:2
÷
×
.
| 5 |
| 6 |
| 34 |
| 9 |
| 1 |
| 18 |
分析:把带分数化为假分数,把除法改为乘法,约分计算.
解答:解:2
÷
×
,
=
×
×
,
=
.
| 5 |
| 6 |
| 34 |
| 9 |
| 1 |
| 18 |
=
| 17 |
| 6 |
| 9 |
| 34 |
| 1 |
| 18 |
=
| 1 |
| 24 |
点评:此题通过数字以及乘除法的转化,运用约分,进行简算.
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题目内容
| 5 |
| 6 |
| 34 |
| 9 |
| 1 |
| 18 |
| 5 |
| 6 |
| 34 |
| 9 |
| 1 |
| 18 |
| 17 |
| 6 |
| 9 |
| 34 |
| 1 |
| 18 |
| 1 |
| 24 |