1. 直接写出得数。
2.8÷0.4=
45÷0.9=
40.8÷0.2=
2.7÷2.7÷0.2=
1.6÷0.1=
2.4÷1.2=
0.48÷0.04=
3.7÷0.01÷0.1=
1.4÷0.2=
6.6÷11=
0.36÷1.8=
5.4÷0.9÷6=
4.9÷0.7=
4.8÷0.08=
1÷0.25=
2.1÷0.7÷0.2=
2.4÷0.6=
0.27÷0.03=
9.9÷0.33=
1.5÷0.03÷10=
12.5÷0.05=
0.36÷0.12=
3.5÷0.07=
0.24÷0.01÷0.03=
4.8÷0.3=
10÷0.01=
5.5÷0.11=
2÷0.4÷20=
1.5÷0.75=
0.56÷0.007=
7.07÷0.7=
3.4÷2÷0.17=
改
2.8÷0.4=
45÷0.9=
40.8÷0.2=
2.7÷2.7÷0.2=
1.6÷0.1=
2.4÷1.2=
0.48÷0.04=
3.7÷0.01÷0.1=
1.4÷0.2=
6.6÷11=
0.36÷1.8=
5.4÷0.9÷6=
4.9÷0.7=
4.8÷0.08=
1÷0.25=
2.1÷0.7÷0.2=
2.4÷0.6=
0.27÷0.03=
9.9÷0.33=
1.5÷0.03÷10=
12.5÷0.05=
0.36÷0.12=
3.5÷0.07=
0.24÷0.01÷0.03=
4.8÷0.3=
10÷0.01=
5.5÷0.11=
2÷0.4÷20=
1.5÷0.75=
0.56÷0.007=
7.07÷0.7=
3.4÷2÷0.17=
改
答案
7
50
204
5
16
2
12
3700
7
0.6
0.2
1
7
60
4
15
4
9
30
5
250
3
50
800
16
1000
50
0.25
2
80
10.1
10
50
204
5
16
2
12
3700
7
0.6
0.2
1
7
60
4
15
4
9
30
5
250
3
50
800
16
1000
50
0.25
2
80
10.1
10
2. 用竖式计算。
12÷4.8=
57.6÷0.16=
12.88÷4.6=
4.95÷3.3=
42.92÷3.7=
0.84÷0.035=
12÷4.8=
57.6÷0.16=
12.88÷4.6=
4.95÷3.3=
42.92÷3.7=
0.84÷0.035=
答案
2.5
360
2.8
1.5
11.6
24
竖式略
360
2.8
1.5
11.6
24
竖式略
想一想,填一填。
(1)$0.\underbrace{00···0}_{2024个0}125 ÷ 0.\underbrace{00···0}_{2028个0}8 = (\quad)$
(2)$0.\underbrace{00···0}_{2026个0}576 ÷ 0.\underbrace{00···0}_{2026个0}24 = (\quad)$
(1)$0.\underbrace{00···0}_{2024个0}125 ÷ 0.\underbrace{00···0}_{2028个0}8 = (\quad)$
(2)$0.\underbrace{00···0}_{2026个0}576 ÷ 0.\underbrace{00···0}_{2026个0}24 = (\quad)$
答案
(1) 1562.5
(2) 2.4
(2) 2.4
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