题目内容
计算下面各题.
×
×24
×
×
1×
×
.
| 3 |
| 5 |
| 10 |
| 21 |
| 17 |
| 6 |
| 9 |
| 14 |
| 7 |
| 3 |
| 12 |
| 19 |
| 5 |
| 6 |
1×
| 9 |
| 8 |
| 12 |
| 5 |
| 95 |
| 96 |
分析:通过观察,这些题目都属于分数的乘法,都可以通过约分进行计算.
解答:解:
×
=
;
×24=68;
×
=
;
×
=
;
1×
=
;
×
=
.
| 3 |
| 5 |
| 10 |
| 21 |
| 2 |
| 7 |
| 17 |
| 6 |
| 9 |
| 14 |
| 7 |
| 3 |
| 3 |
| 2 |
| 12 |
| 19 |
| 5 |
| 6 |
| 10 |
| 19 |
1×
| 9 |
| 8 |
| 9 |
| 8 |
| 12 |
| 5 |
| 95 |
| 96 |
| 19 |
| 8 |
点评:此题考查了运用约分进行简便计算.
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