题目内容
[2-(5.55×1
-2
÷0.4)]÷0.135=
| 1 |
| 3 |
| 7 |
| 10 |
10
10
.分析:按四则混合运算的顺序解答即可.
解答:解:[2-(5.55×1
-2
÷0.4)]÷0.135
=[2-(
×
-
÷
)]÷0.135
=[2-(
-
×
)]÷0.135
=[2-(
-
)]÷0.135
=[2-
]÷0.135
=
÷0.135
=1.35÷0.135
=10.
故答案为:10.
| 1 |
| 3 |
| 7 |
| 10 |
=[2-(
| 111 |
| 20 |
| 4 |
| 3 |
| 27 |
| 10 |
| 2 |
| 5 |
=[2-(
| 37 |
| 5 |
| 27 |
| 10 |
| 5 |
| 2 |
=[2-(
| 37 |
| 5 |
| 27 |
| 4 |
=[2-
| 13 |
| 20 |
=
| 27 |
| 20 |
=1.35÷0.135
=10.
故答案为:10.
点评:此题考查分数与小数四则混合运算,计算中注意小数和分数的互化.
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