题目内容
计算:
×[
-
]×
÷
.
| 11 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 11 |
| 5 |
| 4 |
分析:根据有理数的混合运算,按照从左到右的顺序依次进行运算即可.
解答:解:
×(
-
)×
÷
=
×(-
)×
×
=-
×
×
×
=-
.
| 11 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 11 |
| 5 |
| 4 |
=
| 11 |
| 5 |
| 1 |
| 6 |
| 3 |
| 11 |
| 4 |
| 5 |
=-
| 11 |
| 5 |
| 1 |
| 6 |
| 3 |
| 11 |
| 4 |
| 5 |
=-
| 2 |
| 25 |
点评:本题考查了有理数的乘法,除法运算,注意按照从左到右的顺序依次进行运算.
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