0.28÷0.4= (
19.2÷2.4= (
0.45÷1.5= (
0.36÷0.03= (
69÷0.5= (
4.8÷0.008= (
5.04÷0.6= (
12.6÷0.7= (
0.05÷0.2= (
2.55÷2.5= (
0.32÷0.4= (
0.84÷0.21= (
0.42÷3.5= (
48÷0.06= (
0.9÷0.3= (
12.6÷0.28= (
2.8
)÷419.2÷2.4= (
192
)÷240.45÷1.5= (
4.5
)÷150.36÷0.03= (
36
)÷369÷0.5= (
690
)÷54.8÷0.008= (
4800
)÷85.04÷0.6= (
50.4
)÷612.6÷0.7= (
126
)÷70.05÷0.2= (
0.5
)÷22.55÷2.5= (
25.5
)÷250.32÷0.4= (
3.2
)÷40.84÷0.21= (
84
)÷210.42÷3.5= (
4.2
)÷3548÷0.06= (
4800
)÷60.9÷0.3= (
9
)÷312.6÷0.28= (
1260
)÷28
答案:
解析:这些题目考查的是除法运算中,当除数或被除数是小数时,如何通过扩大相同的倍数将除数或被除数转化为整数,从而简化计算。具体方法是将除数和被除数同时扩大10的某次方倍,使得除数变为整数。
答案:
0.28÷0.4= (2.8)÷4
19.2÷2.4=
(192)÷24
0.45÷1.5= (4.5)÷15
0.36÷0.03=
(36)÷3
69÷0.5=
(690)÷5
4.8÷0.008=
(4800)÷8
5.04÷0.6= (50.4)÷6
12.6÷0.7=
(126)÷7
0.05÷0.2= (0.5)÷2
2.55÷2.5= (25.5)÷25
0.32÷0.4= (3.2)÷4
0.84÷0.21=
(84)÷21
0.42÷3.5= (4.2)÷35
48÷0.06=
(4800)÷6
0.9÷0.3=
(9)÷3
12.6÷0.28=
(1260)÷28
答案:
0.28÷0.4= (2.8)÷4
19.2÷2.4=
(192)÷24
0.45÷1.5= (4.5)÷15
0.36÷0.03=
(36)÷3
69÷0.5=
(690)÷5
4.8÷0.008=
(4800)÷8
5.04÷0.6= (50.4)÷6
12.6÷0.7=
(126)÷7
0.05÷0.2= (0.5)÷2
2.55÷2.5= (25.5)÷25
0.32÷0.4= (3.2)÷4
0.84÷0.21=
(84)÷21
0.42÷3.5= (4.2)÷35
48÷0.06=
(4800)÷6
0.9÷0.3=
(9)÷3
12.6÷0.28=
(1260)÷28
0.8÷0.2=
1.6÷0.2=
2.5÷0.5=
1.2÷0.6=
0.9÷0.1=
0.9÷0.3=
0.8÷0.4=
7.2÷0.8=
6.3÷0.7=
5.4÷0.9=
5.4÷0.3=
1.8÷0.6=
1.4÷0.7=
9.6÷0.8=
0.91÷0.07=
4.5÷0.5=
8.4÷0.6=
2.4÷0.08=
2.8÷0.4=
6.3÷9=
0.08÷0.4=
9.2÷0.2=
9.9÷0.9=
2÷0.4=
9.1÷0.7=
9.6÷0.8=
4.5÷0.05=
4.2÷0.3=
9.1÷0.7=
3.9÷0.3=
4
1.6÷0.2=
8
2.5÷0.5=
5
1.2÷0.6=
2
0.9÷0.1=
9
0.9÷0.3=
3
0.8÷0.4=
2
7.2÷0.8=
9
6.3÷0.7=
9
5.4÷0.9=
6
5.4÷0.3=
18
1.8÷0.6=
3
1.4÷0.7=
2
9.6÷0.8=
12
0.91÷0.07=
13
4.5÷0.5=
9
8.4÷0.6=
14
2.4÷0.08=
30
2.8÷0.4=
7
6.3÷9=
0.7
0.08÷0.4=
0.2
9.2÷0.2=
46
9.9÷0.9=
11
2÷0.4=
5
9.1÷0.7=
13
9.6÷0.8=
12
4.5÷0.05=
90
4.2÷0.3=
14
9.1÷0.7=
13
3.9÷0.3=
13
答案:
0.8÷0.2=4
1.6÷0.2=8
2.5÷0.5=5
1.2÷0.6=2
0.9÷0.1=9
0.9÷0.3=3
0.8÷0.4=2
7.2÷0.8=9
6.3÷0.7=9
5.4÷0.9=6
5.4÷0.3=18
1.8÷0.6=3
1.4÷0.7=2
9.6÷0.8=12
0.91÷0.07=13
4.5÷0.5=9
8.4÷0.6=14
2.4÷0.08=30
2.8÷0.4=7
6.3÷9=0.7
0.08÷0.4=0.2
9.2÷0.2=46
9.9÷0.9=11
2÷0.4=5
9.1÷0.7=13
9.6÷0.8=12
4.5÷0.05=90
4.2÷0.3=14
9.1÷0.7=13
3.9÷0.3=13
1.6÷0.2=8
2.5÷0.5=5
1.2÷0.6=2
0.9÷0.1=9
0.9÷0.3=3
0.8÷0.4=2
7.2÷0.8=9
6.3÷0.7=9
5.4÷0.9=6
5.4÷0.3=18
1.8÷0.6=3
1.4÷0.7=2
9.6÷0.8=12
0.91÷0.07=13
4.5÷0.5=9
8.4÷0.6=14
2.4÷0.08=30
2.8÷0.4=7
6.3÷9=0.7
0.08÷0.4=0.2
9.2÷0.2=46
9.9÷0.9=11
2÷0.4=5
9.1÷0.7=13
9.6÷0.8=12
4.5÷0.05=90
4.2÷0.3=14
9.1÷0.7=13
3.9÷0.3=13
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