题目内容
| 5 |
| 16 |
| 1 |
| 3 |
| 3 |
| 5 |
| 2 |
| 15 |
分析:本题按照运算法则直接计算即可.
解答:解:
×1
×
÷
,
=
×
×
×
,
=1
.
| 5 |
| 16 |
| 1 |
| 3 |
| 3 |
| 5 |
| 2 |
| 15 |
=
| 5 |
| 16 |
| 4 |
| 3 |
| 3 |
| 5 |
| 15 |
| 2 |
=1
| 7 |
| 8 |
点评:本题根据运算法则直接运算,注意把结果化成最简分数.
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题目内容
| 5 |
| 16 |
| 1 |
| 3 |
| 3 |
| 5 |
| 2 |
| 15 |
| 5 |
| 16 |
| 1 |
| 3 |
| 3 |
| 5 |
| 2 |
| 15 |
| 5 |
| 16 |
| 4 |
| 3 |
| 3 |
| 5 |
| 15 |
| 2 |
| 7 |
| 8 |