题目内容
| 6 |
| 5 |
| 2 |
| 3 |
| 3 |
| 2 |
| 8 |
| 5 |
分析:先算括号内的,同时把除法改为乘法,然后约分计算.
解答:解:
×(
+
)÷
,
=
×
×
,
=
.
| 6 |
| 5 |
| 2 |
| 3 |
| 3 |
| 2 |
| 8 |
| 5 |
=
| 6 |
| 5 |
| 13 |
| 6 |
| 5 |
| 8 |
=
| 13 |
| 8 |
点评:本题考查了学生通过约分对分数四则混合运题目进行简算的能力.
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题目内容
| 6 |
| 5 |
| 2 |
| 3 |
| 3 |
| 2 |
| 8 |
| 5 |
| 6 |
| 5 |
| 2 |
| 3 |
| 3 |
| 2 |
| 8 |
| 5 |
| 6 |
| 5 |
| 13 |
| 6 |
| 5 |
| 8 |
| 13 |
| 8 |