题目内容
(
-
)÷(
+
)
| 2 |
| 3 |
| 2 |
| 5 |
| 1 |
| 8 |
| 5 |
| 12 |
分析:根据混合运算的顺序,先算括号里面的,再算括号外面的.
解答:解:(
-
)÷(
+
)
=
÷
=
×
=
.
| 2 |
| 3 |
| 2 |
| 5 |
| 1 |
| 8 |
| 5 |
| 12 |
=
| 4 |
| 15 |
| 13 |
| 24 |
=
| 4 |
| 5 |
| 24 |
| 13 |
=
| 48 |
| 65 |
点评:此题主要考查分数四则混合运算的计算能力.
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