1. 直接写出得数。
1.6÷4=
5.4÷9=
5.1÷3=
10.5÷5÷3=
1.5÷5=
0.24÷6=
60.8÷2=
0.24÷2÷4=
5.45÷5=
4.9÷7=
12.4÷4=
24.6÷6÷41=
9.3÷3=
3.05÷5=
8.4÷6=
45.5÷5÷91=
4.6÷2=
4.2÷6=
6.5÷5=
0.75÷5÷3=
6.66÷6=
84.7÷7=
0.42÷3=
0.63÷3÷21=
4.8÷3=
6.3÷9=
14.56÷7=
4×0.8÷40=
39.6÷3=
8.4÷4=
5.2÷13=
0.22÷2×30=
1.6÷4=
0.4
5.4÷9=
0.6
5.1÷3=
1.7
10.5÷5÷3=
0.7
1.5÷5=
0.3
0.24÷6=
0.04
60.8÷2=
30.4
0.24÷2÷4=
0.03
5.45÷5=
1.09
4.9÷7=
0.7
12.4÷4=
3.1
24.6÷6÷41=
0.1
9.3÷3=
3.1
3.05÷5=
0.61
8.4÷6=
1.4
45.5÷5÷91=
0.1
4.6÷2=
2.3
4.2÷6=
0.7
6.5÷5=
1.3
0.75÷5÷3=
0.05
6.66÷6=
1.11
84.7÷7=
12.1
0.42÷3=
0.14
0.63÷3÷21=
0.01
4.8÷3=
1.6
6.3÷9=
0.7
14.56÷7=
2.08
4×0.8÷40=
0.08
39.6÷3=
13.2
8.4÷4=
2.1
5.2÷13=
0.4
0.22÷2×30=
3.3
答案
0.4 0.6 1.7 0.7 0.3 0.04 30.4 0.03 1.09 0.7 3.1 0.1 3.1 0.61 1.4 0.1 2.3 0.7 1.3 0.05 1.11 12.1 0.14 0.01 1.6 0.7 2.08 0.08 13.2 2.1 0.4 3.3
解析
0.4;0.6;1.7;0.7;0.3;0.04;30.4;0.03;1.09;0.7;3.1;0.1;3.1;0.61;1.4;0.1;2.3;0.7;1.3;0.05;1.11;12.1;0.14;0.01;1.6;0.7;2.08;0.08;13.2;2.1;0.4;3.3
2. 用竖式计算。
76.5÷15=
54.4÷34=
0.918÷34=
0.525÷15=
62.1÷23=
46.2÷12=
竖式略
76.5÷15=
5.1
54.4÷34=
1.6
0.918÷34=
0.027
0.525÷15=
0.035
62.1÷23=
2.7
46.2÷12=
3.85
竖式略
答案
5.1 1.6 0.027 0.035 2.7 3.85 竖式略
解析
```
5.1
15)76.5
75
---
1.5
1.5
---
0
1.6
34)54.4
34
---
20.4
20.4
---
0
0.027
34)0.918
0
---
91
68
---
238
238
---
0
0.035
15)0.525
0
---
52
45
---
75
75
---
0
2.7
23)62.1
46
---
161
161
---
0
3.85
12)46.2
36
---
102
96
---
60
60
---
0
```
5.1
15)76.5
75
---
1.5
1.5
---
0
1.6
34)54.4
34
---
20.4
20.4
---
0
0.027
34)0.918
0
---
91
68
---
238
238
---
0
0.035
15)0.525
0
---
52
45
---
75
75
---
0
2.7
23)62.1
46
---
161
161
---
0
3.85
12)46.2
36
---
102
96
---
60
60
---
0
```
答案
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