题目内容
(2011?河池模拟)
直接写出得数.
|
2÷
|
3.9÷10%= | 32÷1000= | ||||||||||
|
1÷
|
0.7:0.25= |
| ||||||||||
1.03+0.07= | 402= |
分析:2÷
×
先把除法变成乘法再根据乘法结合律简算;0.7:0.25根据求比值的方法,用0.7÷0.25即可;402表示40×40;其它题目根据运算法则直接求解.
2 |
3 |
2 |
3 |
解答:
故答案为:
,2,39,0.032,
,
,2.8,
,1.1,1600.
解:
|
2÷
|
3.9÷10%=39, | 32÷1000=0.032, | ||||||||||||||||
|
1÷
|
0.7:0.25=2.8, |
| ||||||||||||||||
1.03+0.07=1.1, | 402=1600. |
1 |
2 |
4 |
9 |
9 |
4 |
8 |
15 |
点评:本题考查了基本的运算,计算时要细心,注意把运算的结果化成最简分数.
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目