题目内容
5
+(
-
)÷2-
×
.
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 6 |
| 1 |
| 3 |
| 7 |
| 8 |
考点:分数的四则混合运算
专题:运算顺序及法则
分析:先算括号内的,再算除法和乘法,从左往右依次计算.
解答:
解:5
+(
-
)÷2-
×
=5
+
×
-
=5
+
-
=5
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 6 |
| 1 |
| 3 |
| 7 |
| 8 |
=5
| 1 |
| 3 |
| 7 |
| 12 |
| 1 |
| 2 |
| 7 |
| 24 |
=5
| 1 |
| 3 |
| 7 |
| 24 |
| 7 |
| 24 |
=5
| 1 |
| 3 |
点评:此题考查了分数的四则混合运算,注意运算顺序和运算法则.
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