题目内容
(
+
)÷
.
| 1 |
| 7 |
| 1 |
| 2 |
| 4 |
| 5 |
分析:本题先算括号里面的加法,再算括号外的除法.
解答:解:(
+
)÷
,
=
×
,
=
.
| 1 |
| 7 |
| 1 |
| 2 |
| 4 |
| 5 |
=
| 9 |
| 14 |
| 5 |
| 4 |
=
| 45 |
| 56 |
点评:本题是简单的分数混合运算题目,按照运算法则直接运算即可.
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题目内容
| 1 |
| 7 |
| 1 |
| 2 |
| 4 |
| 5 |
| 1 |
| 7 |
| 1 |
| 2 |
| 4 |
| 5 |
| 9 |
| 14 |
| 5 |
| 4 |
| 45 |
| 56 |