2024年4月18日发(作者：数学试卷的烟)
2020六年级数学小数乘法、口算、递等式、计算等练习题
小数乘法练习题
一、一般乘法竖式计算题
65×0.7 0.0016×13 0.65×0.17 0.62×5.2
0.65×7.3 72×0.03 8.7×0.92
3.7×0.016 5.76×1.3 3.83×2.6
二、乘数中间有“0”的乘法
56.2×4.08 2.02×3.6 125×2.04
2.5×20.1 8.81×1.01 19.1×0.307
第 1 页 共 75 页
7.65×8.5
1.28×0.04
23.5×1.02
2.01×1.03
三、积末尾有“0”的乘法
1.6×0.85 0.35×8.04 2.25×2.4 0.15×2.8
0.25×0.44
三、简便计算。
0.125×64 0.68
55.6×99＋55.6 1.25
3.15×1.8 0.025×36 1.25×0.8
×101 3.26×5.7－3.26×0.7
×213×0.8 19.625－(4.379＋9.625)
第 2 页 共 75
3.42×5.7＋4.3×3.42 8.75×11－8.75 9.9×202
小数乘法练习题（二）
一、一般乘法竖式计算题
第 3 页 共 75
205×0.18 305×0.14 2.03×0.13 10.2×2.3
103×0.23 0.408×0.24 1.05×3.5 1.07×1.8
2.03×0.14 20.4×2.6 205×0.13 0.34
0.32×0.14 2.4×0.96 0.5×0.15 0.36
二、乘数中间有“0”的乘法
518×3.07 0.131×202 4.15×1.03 2.42
第 4 页 共 75
×0.126
×2.3
×1.05
1.25×8.08 1.02×2.15 1.02×20.6 2.05×
4.6
三、积末尾有“0”的乘法
18.6×1.5 2.06×0.25 2.8×0.165 2.36×0.35
1.25×8.8 0.24×2.5 0.025×14 1.05×35
三、简便计算。
0.125×24 0.78×101 3.25×5.7－3.25
×0
56.6×99＋56.6 1.25×24×0.8 19.725－(4.379＋
9.725)
第 5 页 共 75
.7
3.56×5.7＋4.3×3.56 6.75×101－6.75 9.9×201
小数除法练习题（一）
一、除数是整数的小数除法，计算并验算。
68.8÷4 85.44÷16
÷15
289.9÷18 101.7÷9
243.2÷64
二、一个数除以小数，计算并验算。
91.2÷3.8 0.756÷0.18
0.27
第 6 页 共 75
67.5
51.3
÷
26÷0.13 210÷1.4
2.688÷0.56
2.7÷7.5 15÷0.06 25.6
÷0.032
三、商的近似数，计算（保留一位小数）。
14.36÷2.7 8.33÷6.2 1.7÷0.03 48
÷2.3
32÷42 1.25÷1.2 2.41÷0.7
1.55÷3.8
四、商的近似数，计算（保留两位小数）。
第 7 页 共 75
28÷18 78.6÷11 1.55÷3.9
7.09÷5.2
3.81÷7 246.4÷13 5.63÷6.1
40.32÷24
五、循环小数。
28÷18 400÷75 78.6÷11
2.29÷1.1
小数除法练习题（二）
一、 除数是整数的小数除法，计算并验算。
1.35÷27 0.416÷32
3.64÷52
第 8 页 共 75
16.8÷28 15.6÷24
0.138÷15
二、一个数除以小数，计算并验算。
62.4÷2.6 2.38÷0.34
0.544÷0.16
6.21÷0.3 5.98÷2.3 2.7
7.5
21÷1.4 10.8÷4.5 8.84
1.7
第 9 页 共 75
÷
÷
三、商的近似数，计算（保留一位小数）。
3.81÷7 8.33÷3.1 5.63÷6.1 48
÷23
2.04÷2.4 19.76÷52 14.28÷28
4.55÷7
四、商的近似数，计算（保留两位小数）。
15.8÷0.91 32.27÷2.7 5.713÷3 86
÷16
1.26÷28 246.4÷13 1.55÷39
78.6÷11
第 10 页 共 75
五、循环小数。
3.8÷0.9 1.5÷2.5 34.5÷11
1.24÷3.6
1
1
2
×
2
=
4
5
÷
1
2
=
22
3
÷
3
=
六年级口算练习题
2
3
×
3
4
= 12×
2
3
=
8
9
÷4=
5
4
×
4
5
= 5
1
4
÷
1
3
= 1
2
13
×2=
第 11 页 共 75
1
4
＋3=
÷
5
6
=
5
26
×13=
5
6
×
2
5
=
15÷6=
226×
1
2
=
24÷
2
3
=
8
11
÷8=
3
4
×
2
3
=
33－9=
4
5
×3=
46÷
2
7
=
8
3
÷
8
3
=
6×
1
7
=
2
5
×
1
2
=
3
8
÷3=
5
6
÷5=
6
7
×2=
3
8
×
4
5
=
1
4
＋
1
3
=
314×
1
7
=
7
8
－
3
4
=
4
7
5
－
10
=
40÷
5
6
=
125×8=
75
10
×
7
=
8
9
×4=
136×
1
2
=
5
9
×18=
3
5
×
1
2
=
2
5
8
＋
4
8
=
3
5
×15=
30÷
5
7
=
2
3
÷
3
2
=
1
4
×8=
43÷0.1=
2
3
×
2
3
=
0.5－
1
4
=
第 12 页 共 75
1
2
÷
2
5
=
6
7
÷
6
5
=
1
7
÷
1
2
=
9
2
5
×
3
=
1
2
＋
3
4
=
8
9
÷4=
1
3
×27=
4
1
4
＋3=
26×
12
13
=
6
7
＋6=
14
45
×
15
21
=
100÷
2
=
3
88÷
22
=
3
1
1
1
＋=
2
2
14×
3
=
4
12÷
2
= 125×4=
5
110÷=
1
÷4=
3
5
4
×
4
5
=
3
4
×8=
1
2
2
÷
3
=
26÷0.5=
1
2
÷2=
12÷
3
4
=
40×
1
6
=
24×5=
41－
2
3
=
1
1
2
×
3
=
17
15
×60=
3
22
×11=
3
5
×
2
3
=
4.1÷2=
5
7
×
2
3
=
31÷
5
3
=
2
3
×
1
2
=
88
9
÷
9
=
9÷
3
4
= 25
13
2
÷
10
=
8
12
58
×
29
36
=
10÷
5
7
=
5
4
×
12
5
= 20
×
2
11
=
35－
3
4
=
22
7
×
3
=
4
5
－
1
2
=
23
9
×
6
=
×4=
7
6
×
5
3
=
第 13 页 共 75
3
12÷
1
3
=
6
7
×
2
3
=
×
5
6
=
21
4
×
4
7
=
5
18
÷1=
28÷
14
3
=
57
6
×
8
=
5
6
－
2
3
=
1
1
2
÷
3
=
22
41
÷=
52
8
÷4=
9
54
×=
45
2
×2=
13
1
2
5÷=
5
×13=
26
1
2
÷=
2
5
5
6
22
÷=
33
52
×=
65
1
1
÷=
4
3
3
÷3=
8
5
÷5=
36×=
5
×18=
5÷6=
66
÷=
26×
1
2
=
24÷
2
3
=
8
11
÷8=
3
4
×
2
3
=
3－1.95=
4
5
×3=
6÷
2
7
=
8
3
÷
8
3
=
2
5
×
1
2
=
6×
1
7
=
2
1
5
×
2
=
100÷
2
3
=
6
6
7
×2=
3
4
8
×
5
=
1
4
＋
1
3
=
14×
5
7
=
7
8
－
3
4
=
4
5
－
7
10
=
0÷
5
6
=
125×8=
8
9
×4=
75
10
×
7
=
8
9
×4=
88÷
22
3
=
9
3
1
5
×
2
=
5
4
8
＋
8
=
3
5
×15=
1÷
5
7
=
2
3
÷
3
2
=
1
4
×8=
6.3÷0.7=
1－
2
3
=
0.5－
1
4
=
2
3
×
2
3
=
0.5－
1
4
=
1
2
＋
1
2
=
第 14 页 共 75
75
1
7
÷
1
2
=
9
5
×
2
3
=
1
2
＋
3
4
=
8
9
÷4=
1
3
×27=
1
4
＋3=
26×
12
13
=
9÷
3
4
=
14
15
45
×
21
=
6
7
＋6=
14
15
45
×
21
=
4×
3
4
=
12÷=
54
×=
45
3
×8=
4
1
2
÷=
2
3
25×4=
17
×60=
15
10÷=
12
29
×=
58
36
5
7
5
8
1
÷4=
3
12÷=
62
×=
73
5
1
3
3
×11=
22
3
2
×=
10÷=
512
×= 0×=
2
3
6÷0.5=
1
2
÷2=
12÷
3
4
=
0×
1
6
=
24×5=
1－
2
3
=
1
2
+
1
2
=
41
5
×
2
=
2
3
÷
2
3
=
5
4
×
3
5
=
12÷9=
38×
1
2
=
5
3
8.4÷4.2=
5
7
×
2
3
=
1÷
5
3
=
21
3
×
2
=
8
9
÷
8
9
=
9÷
3
4
=
2
3
×
3
4
=
8
9
×4=
1
4
÷
1
2
=
5
8
÷5=
5
2
÷5=
6
17
÷3=
45
5×
2
11
=
5－
3
4
=
22
7
×
3
=
4
5
－
1
2
=
23
9
×
6
=
8
5
5
×
4
=
2+
2
3
=
55
4
÷
4
=
2
13
÷2=
36×
1
3
=
5
12
×18=
3
5
×
1
2
=
第 15 页 共 75
6
214
4
×
7
=
5
18
÷1=
28÷
14
3
=
5
6
×
7
8
=
5
6
－
2
3
=
0.25×3×4=
1
6
×3=
5÷
5
6
=
5
24
×8=
1
2
÷
2
5
=
6
7
÷
6
5
=
1
7
×
1
2
=
2
12÷=
3
8
÷8=
15
32
×=
43
5
4
×=
16
5
1
3
＋=
2
8
3
2
×=
5
9
1
1
×=
4
3
3
×15=
5
13
÷=
24
1
÷4=
4
34×
3
=
17
3
1÷
3
=
4
5－2.57= 1－=
23
×=
2
×15=
6
5
÷3=
6÷
2
7
=
8
5
×
5
4
=
4
9
×
3
8
=
2
7
×2＝
75
8
÷5=
5
3
3
÷
5
＝
75
8
÷5=
5
3
÷
5
3
＝
4
9
×3=
21
25
÷42=
1
7
×14=
4
32
4
5
－
7
10
=
1
6
×8=
0÷1.02= 5.4÷0.09=
0.25×3×4=
3
8
×
16
5
=
5
3
÷5= 0÷
8
3
=
7
12
×4= 4÷
3
16
=
12×
16
9
＝
2
3
×3＝
5
12
×4= 4÷
16
3
=
18×
16
9
＝
2
3
×3＝
45
5
×
8
＝
79
9
×
7
＝
5÷
1
3
=
11
2
÷
3
=
4
5
×
3
4
= 8.7×0.2=
2
3
÷
5
6
= 1.25×8=
第 16 页 共 75
3
1
4
＋3=
39×
12
13
=
0.875×
16
7
=
4
7
－
2
3
=
12×
9
4
=
8÷
9
4
＝
27÷
9
4
=
8÷
9
4
＝
2.4×50=
2
7
×
3
9
÷
2
7
=
4×0.25=
55
3
÷
8
=
63443
×= 6×1.2= ÷4= ×=
721198
5
82
2
4
÷5= 0÷= －= ×2＝
3
37
3
7
2
3
5
16
9
4÷= 12× = ×5＝ ×=
3
16
8
3
4
3
1616
256
×= 0.875×= ＋= 1－=
8
5
3
5
＋
4
5
=
7
6
＋
5
3
=
1
2
÷
1
2
=
1
4
×
1
3
=
15÷12=
28×
1
2
=
24×
2
3
=
8
11
÷8=
2×
5
7
=
4
5
×20=
6×
1
7
=
33÷
22
3
=
2
15
＋
3
15
＝
7
9
9
7
10
－
3
54
10
=
4
×
5
=
1
2
－
1
3
=
1
1
2
+
3
=
18×
21
3
=
4
×3=
5
6
÷
2
5
=
3
8
+
1
2
=
5
6
×12=
5
9
÷5=
6
7
×14=
3
5
×
1
2
=
3
8
÷
4
5
=
5
4
8
-
8
=
1
4
＋
1
3
=
1
2
×
3
4
=
8
9
×3=
73
8
÷
4
=
4
7
5
－
10
=
1
4
×36=
7
10
×
5
7
=
2
5
÷
1
2
=
1
2
×
3
4
=
2
3
×4=
7÷1.4＝
3
5
÷0.6＝
第 17 页 共 75
7
17
15
÷
1
3
=
1
2
-
3
10
=
22
3
×
3
=
1
2
2
×
5
=
66
7
×
5
=
1
7
÷
1
2
=
9
5
÷
2
3
=
32
4
×
3
=
2
3
×
3
2
=
1
4
＋1.25=
2÷
2
3
=
51
8
÷
3
=
1.25×
4
5
×8＝
3
411111
3
2
－＝ （ ＋）×12＝ ×=
3
×=
8
33
54812
5
4
312
513
－＋＝ 3＋－3＋= 3.2－＝ ×81=
6124
429
1
11
78＋216＝ 85.2－3.25＝ ＋＝ 2×2＝
3
24
1
97
0.99×9＋0.99＝ ×= 2＝ 82.5－3.25＝ ÷7＝
1
1
2
×8=
2－
2
3
×2=
5
4
×
4
5
=
4
3
5
×
2
=
5
9
×15 =
1.
1
1
2
×
2
=
5.
4
5
÷
1
2
=
9.
2
3
÷
2
3
=
13.
5
6
×
2
5
=
4
27
1
3
1
4
= 5－
5
7
=
1
－
1
2
6
=
33
7
5
3
5
＋
4
5
=
3
4
＋
1
5
=
59
12
×3 =
3
10
÷
5
=
0÷
8
3
=
4
2
7
－
3
=
2.
2
3
×
3
4
= 3.12×
2
3
=
6.
8
5
9
÷4= 7.
4
×
4
5
=
10.
1
2
4
÷
1
3
= 11.
13
×2=
14.
3
8
÷3= 15.36×
1
2
=
第 18 页 共 75
10
4
27
×
9
16
=
17
1
15
÷
3
=
12－
3
8
=
5
3
÷
5
8
=
2
7
×2＝
4.
1
4
＋3=
8.5÷
5
6
=
12.
5
26
×13=
16.
1
2
2
÷
5
=
17.5÷6=
21.26×
1
2
=
25.24÷
2
3
=
29.
8
11
÷8=
33.
32
4
×
3
=
37.3－1.95=
41.
4
5
×3=
45.6÷
2
7
=
49.
88
3
÷
3
=
53.
4
1
5
－
2
=
57.
23
9
×
6
=
1.6×
1
7
=
5.
2
1
5
×
2
=
9.100÷
2
3
=
13.12÷
2
3
=
18.
5
6
÷5= 19.
5
9
×18=
22.
6
7
×2= 23.
3
1
5
×
2
=
26.
3
8
×
4
5
= 27.
5
8
＋
4
8
=
30.
1
4
＋
1
3
= 31.
3
5
×15=
34.14×
5
7
= 35.1÷
5
7
=
38.
7
8
－
3
4
= 39.
2
3
÷
3
2
=
42.
4
71
5
－
10
= 43.
4
×8=
46.0÷
5
6
= 47.6.3÷0.07=
50.125×8=
51.0×
1
6
= 52.
54.
5
6
×
7
8
= 55.24×5=
58.
5
6
－
22
3
= 59.1－
3
=
2.
7
10
×
5
7
= 3.
2
3
×
2
3
=
6.
8
9
×4= 7.0.5－
1
4
=
10.88÷
22
3
= 11.
1
2
＋
1
2
=
14.25×4= 15.10÷
5
8
=
第 19 页 共 75
20.
6
7
÷
6
5
=
24.
1
7
÷
1
2
=
28.
9
2
5
×
3
=
32.
13
2
＋
4
=
36.
8
9
÷4=
40.
1
3
×27=
44.
1
4
＋3=
48.26×
12
13
=
2
3
×
1
2
=
56.
8
9
÷
8
9
=
60.9÷
3
4
=
4.
6
7
＋6=
8.
14
15
45
×
21
=
12.4×
3
4
=
16.
1
3
÷4=
54
17.×=
45
3
21.×8=
4
18.
17
×60=
15
19.
12
29
×=
58
36
5
=
7
1
20.12÷=
3
24. 22.
3
×11=
22
23.10÷
62
×=
73
5
=
2
1
25.÷=
3
2
26.×= 27.
512
×= 28.0×
2
3
29.6÷0.5=
33.
1
2
÷2=
37.12÷
3
4
=
41.0×
1
6
=
45.24×5=
49.1－
2
3
=
53.24÷
2
3
=
57.
8
11
÷8=
3.6÷0.36= 7
1×
1
4
= 1
9－0.9=
24×
3
4
= 0.2
5
3
45
30.8.4÷4.2= 31.5×
2
11
=
34.
5
7
×
2
3
= 35.5－
3
4
=
38.1÷
5
3
= 39.
2
7
×
2
3
=
42.
2
4
3
×
1
2
= 43.
5
－
1
2
=
46.
88
2
9
÷
9
= 47.
9
×
3
6
=
50.9÷
3
4
= 51.
1
4
×8= 52.
54.
3
8
×
4
5
= 55.
5
4
8
＋
8
=
58.
1
1
4
＋
3
= 59.
3
5
×15=
÷14= 1－
2
3
5
＋
5
= 1
÷
1
4
= 1－
1
4
= 37
1
4
＋
1
3
）×24= 72×0.4= 72
－
1
5
= 1＋
32
2
×
3
= 25
第 20 页 共 75
6
32.
21
4
×
4
7
=
36.
5
18
÷1=
40.28÷
14
3
=
44.
5
6
×
7
8
=
48.
5
2
6
－
3
=
1
4
＋3=
56.
9
2
5
×
3
=
1
2
＋
3
4
=
＋
1
4
=
×5=
÷0.4=
×24＝
60.
（
4.2÷0.2＝ 12－0.2＝ 1.25×8＝ 3÷8=
10÷0.1= 0.8×12.5= 8.1÷0.03= 1 .5×0.5=
10÷0.5＝ 0.5÷10＝
23
＋＝ 7÷1.4＝
1515
3441
72.8÷0.8＝ ÷0.6＝ 1.25××8＝ －＝
53
55
10－0.9＝
3
1151
3
2
－＋＝ ×= 3＋=
8
12612
4
5
26.26÷26= 4.57＋6.43= 7.9×11－7.9= 3.14×3
2
=
3
10.1×30= 2÷0.2－2=
3
×= 1.8×4×0.5=
8
4
121
1
1
3.2－＝ ×81＝ ＋＝ 2×2＝
292
3
4
1
1
5
1
9
×= 0.99×9＋0.99＝
3
4
= 5－
7
=
27
4
7
÷7＝ 7.25+2.75= 9.8÷98＝ 0.125×9×8 =
10
92
5
11
1×8＋1×2＝
27
×
16
= 2－
3
×2= ×6=
9
22
4
第 21 页 共 75
小学数学递等式专项练习题
3733
(1)
7
÷
4
＋
7
×
7
(2)
7
÷[
27
115
－(1－
10
)]
(3)
8
÷6＋
14
136
×
13
(4) 48×(
135
8
＋
16
＋
24
)
(5)
7
×4.6－1
3
44
×3.6
第 22 页 共 75
115
(6) 4
4
÷[(
2
＋0.75)×1.2]－2
6
135
(7) (
6
＋
4
)÷
12
11
(8) (
2
－
3
×75%)÷0.25
3511
(9) (
4
－
8
)÷(
2
－
3
)
第 23 页 共 75
11
(10) (100－9)×(
7
－
13
)
1111
(11)
15
×(
3
＋
12
)÷
12
5
(12) 62.5%×3＋0.625×7＋
8
×6
5546
(13)
9
×
6
＋
9
÷
5
5348
(14)
9
－
11
＋
9
－
11
第 24 页 共 75
51115
(15)[
6
－(
10
＋
6
)]×
17
45
(16) (17×
9
＋
9
×17)÷34
23
(17) 9
5
－(3
7
＋0.4)
1
(18) 7.8×
5
＋2.2×20%
78
(19) 34.7－
15
＋65.3－
15
第 25 页 共 75
31113
(20) (
4
＋
6
－
24
)×12
73111
(21)
12
×[
4
－(
20
－
2
)]
2425
(22)
3
＋(
5
－
3
)×
3
22
(23)
5
×67＋33×
5
1539
(24)
2
÷[
6
÷(
10
＋
20
)]
第 26 页 共 75
(25) (12.5×8－40)÷0.6
3918
(26)
4
＋2
17
＋
4
＋3
17
(27) 3.4×2.77＋0.23×3.4
73
(28)
4
×4.6－1
4
×3.6
115
(29) 4
4
÷[(
2
＋0.75)×1.2]－2
6
第 27 页 共 75
727
(30)
11
÷[
5
－(1－
10
)]
73132
(31)
6
×
14
－
5
×
7
＋
3
135
(32) (
6
＋
4
)÷
12
3511
(33) (
4
－
8
)÷(
2
－
3
)
11
(34) (100－9)×(
7
－
13
)
第 28 页 共 75
82117
(35)
5
÷
15
－
9
－
9
51115
(36) [
6
－(
10
＋
6
)]×
17
1111
(37) (
2
－
9
＋
3
)÷
36
1111
(38)
15
×(
3
＋
12
)÷
12
第 29 页 共 75
5
(39) 62.5%×3＋0.625×7＋
8
×6
5546
(40)
9
×
6
＋
9
÷
5
45
(41) (17×
9
＋
9
×17)÷34
11
(42) (
2
－
3
×75%)÷0.25
814
(43)
13
÷6＋
6
×
13
第 30 页 共 75
135
(44) 48×(
8
＋
16
＋
24
)
8931
(45)
49
÷[
8
－(
7
＋
8
)]
415
(46) 9×(
9
＋
14
)＋
14
15553
(47)
16
÷(
12
÷
8
＋
8
)
1953
(48)
7
×
13
÷
14
÷
13
第 31 页 共 75
713
(49)
19
× 13＋
19
× 31
25
(50) (
51
＋
18
)×9×17
572
(51) (
24
＋
12
－
3
)×48
136
(52) 0.25÷7＋
7
×
4
＋
7
13
(53)
8
÷(2－25%－
4
)
第 32 页 共 75
737
(54)
18
÷4＋
4
×
18
9213
(55)
8
÷[(
5
＋
10
)×
4
]
7335
(56)
8
÷9×
5
÷
72
25213
(57)
5
×
18
＋
5
×
18
51
(58) 12÷(
6
－
3
)－20
第 33 页 共 75
(59)
(60）
11
5
105
2
13
1713
5
935
0.6
14514
25
291
12
3
7
113
23
274
111111
248163264
第 34 页 共 75
2
3
13
1.1
4
55
15
4
44
4
1
11
1
7
77
7
1
11
71
3
73
1
7
2221
7
3
142324
302153142
373737
1
51
5
21
21
3
63
6
第 35 页 共 75
1
14
12.8
3
52.8
15
5
7
113
23
274
111111
2612203042
142324
302153142
373737
5373
92184
第 36 页 共 75
2
3
13
1.1
4
55
15
5
9
14
3
5
0.6
5
14
1
4
1
4
1
4
4
7
77
1
7
3
1
7
1
3
1
71
7
37
22
1
21
第 37 页 共 75
1
51
5
21
21
3
63
6
1
14
12.8
3
52.8
15
5
777×9+1111×3
16114
（ × - ）÷
371415
11855
- × +
77814
第 38 页 共 75
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