题目内容
(
+
)÷
+
.
| 1 |
| 7 |
| 1 |
| 4 |
| 11 |
| 14 |
| 5 |
| 6 |
分析:先算括号内的,再算括号外的除法,最后算加法.
解答:解:(
+
)÷
+
,
=
×
+
,
=
+
,
=
.
| 1 |
| 7 |
| 1 |
| 4 |
| 11 |
| 14 |
| 5 |
| 6 |
=
| 11 |
| 28 |
| 14 |
| 11 |
| 5 |
| 6 |
=
| 1 |
| 2 |
| 5 |
| 6 |
=
| 4 |
| 3 |
点评:在脱式计算中,特别注意运算顺序和运算法则.
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