小数乘除法计算题2010-02-07 09:24乘法:
5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法:
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
(循环小数的用简便方法,除不尽保留2位小数):
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13=
0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ 5.76×3= (保留一位小数)
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4 1.08×25
0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4
8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5
2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04) 7.69×101 3.8×10.1
0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
二、解方程:
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5x-3x=18
5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2
x+3.86=5.46
17.89-x=12.89
40.8+x=57.3
x-3.25=16
2x+0.82=8.2
3+0.5x=7
7.8÷x=2.6
80x÷4=12
5-0.9x=2.75
2x+0.4x=48
6-2x+6x=18
35x+13x=9.6
0.52×5-4x=0.6
0.7(x+0.9)=42
1.3x+2.4×3=12.4
3.5x = 140
2x +5 = 40
15x+6x = 168
5x+1.5 = 4.5
13.7—x = 5.29
4.2 × 3—3x = 5.1 (写出检验过程)
20.5-4x=8.1
3.6x÷1.2=9.75
18×1.5-1.7x=13.4
18.5x-9.9x=1.721
9.2x+1.5x=32.1
7.2×5-8x=11.2
4x+3×0.7=6.5
(口算)
0.6×1.2= 0.84÷0.6= 4.5×0.1=
15×0.4= 0.1×0.5= 2.8÷7=
100÷0.01= 1.4×3= 0.72÷8=
6÷0.03= 0.5×0.6= 40×0.9=
4÷0.5= 7×2.1= 8.89+0.1=
24×0.25= 0.1÷0.01= 2.4×0.8=
9×0.4= 10×0.01= 30.2-3.02=
4.3-0.25= 1-0.82= 9.6÷0.3=
2.6×0.01= 0×25.4= 4.8×0.4=
7.2+2.8=
12×2.5=
2.63+0.37=
0.7×16-16×0.2=
0.96÷0.3=
1.5-4.5=
2.5×0.4
1.4×2.5×4=
8-2.5=
6÷1.2=
9.2÷2.3=
24÷4+56÷4=
0.36+0.64=
4÷0.25=
1.8×5=
30×(200+3)=
8.4÷4.2=
8×1.5=
4.8÷0.3=
2.73+1.5×4=
计算下面各题(能简算的要简算)
7.05×23.7+7.05×76.3
0.125×3.2×2.5
12.81-(1.5+7.81)
8.7×2.6+6.4×8.7+8.7
1025-1125÷4.5×3.6
12.25-3.1+0.85-6.17
(1.9-1.9×0.9)÷(3.8-2.8)
2.65×1.7+1.35×1.7
列竖式计算,得数保留一位小数.
1.2×1.4= 0.37×8.4= 3.14×2.8=
0.85×1.12= 0.86×5.4= 0.15×2.34=
40÷14= 26.37÷31= 45.5÷38=
1560÷35= 4.8÷2.3= 1.55÷3.9=
7.2÷2.1= 3.87÷7= 146.4÷13=
5.63÷6.1= 2.84×0.03= 0.38×0.13=
26.37÷31= 32÷42= 2.84×0.03=
4.8÷23= 0.382×0.13= 4.2÷4.5=
列竖式计算
1.64+2.35= 8.65-6.31= 28.448÷14= 0.58×250= 12.5+3.6= 10.88÷34= 10-7.64= 1.86×7= 13.88-6.29= 926×0.15= 8÷500= 26.3+7.93= 23×7.06= 100.2-2.28= 44÷9(精确到百分位)
三、计算(能简便的用简便方法计算)
8×25×1.25×16
4.04×250
45.55-(6.82+15.55)
3.2×99+3.2 4.8×39+61×4.8 34.52-17.87-12.23
2.5×56+4.5×65 489×101-489 4.57+3.17+3.43+5.83
4.6×56+48×4.6-4.6×4
竖式计算:
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
(保留一位小数)
1、 算下面各题
2.36×0.22 2.8×4.58 3.57÷4.2 82.8÷36
45×2.46 3.6÷0.24 382.5÷45 6.4×5.48
2、 简便计算
3.6×2.5+7.5×3.6 2.5×1.2 0.125×32 4.3×0.9 6.5×102 3.25×99+3.25
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
1、例题:(3.2×1.5+2.5)÷1.6
=(4.8+2.5)÷1.6
=7.3÷1.6
=4.5625
2、例题:0.12× 4.8÷0.12÷4.8
=0.12÷0.12× 4.8÷4.8
=1
3、例题:194-64.8÷1.8×0.9
=194-36×0.9
=161.6
4、例题:45.6-1.6÷4
=45.6-0.4
=45.2
5、例题:3.2×(1.5+2.5)÷1.6
=2×(1.5+2.5)
=8 脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28 3.94+34.3×0.2
1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8
0.87×3.16+4.64 9.5×101 0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
小数除法竖式计算100道如下:
25.2÷6=、34.5÷15=、5.6÷4=、1.8÷12=、1.8÷12=、7.83÷9=、4.08÷8=、0.54÷6=。
6.3÷14=、72÷15=、14.21÷7=、24÷15=、1.26÷18=、43.5÷29=、18.9÷27=。
1.35÷15=、28.6÷11=、20.4÷24=、3.64÷52=、15.6÷12=、328÷16=、1.35÷27=。
7.65÷0.85=、12.6÷0.28=、62.4÷2.6=、0.544÷0.16=、1.44÷1.8=、11.7÷2.6=。
19.4÷12=、5.98÷0.23=、19.76÷5.2=、10.8÷4.5=、21÷1.4=、8.84÷1.7=。
6.21÷0.03=、1.89÷0.54=、0.51÷0.22=、7.1÷2.5=、1.998÷0.54=、1.28÷0.16=。
2.1÷0.4=、2.56÷3.2=、50.18÷38.6=、4.68÷7.5=、14.7÷0.07=、5.4÷0.15=。
124.8÷0.24=、23.4÷5.85=、25.2÷6=、34.5 ÷15=、5.6÷4=、1.8÷12=。
小数乘除法竖式100道如下:
4.5×0.07 = 6.3÷0.09 = 2.5×3.6 =
19.8÷3.3 = 5÷0.25 = 0.76÷0.4 =
2.36×0.22 = 2.8×4.58 = 3.57÷4.2 =
82.8÷ 36 = 45×2.46 = 3.6÷0.24 =
382.5÷45 = 6.4×5.48 = 13.42×4.73 =
9.65×8.12 = 7.23×1.2 = 6.3×12 =
2.14×8.3 = 4.9×1.12 = 21.98×2.31 =
0.24×28.37 = 29.13×3.14 = 9.88×11.21 =
5.5÷11 = 7.5÷0.5 = 6÷1.2 =
3.2÷8 = 7.2÷ 0.9 = 24÷1.2 =
12÷0.12 = 6.75÷0.25 = 12÷0.75 =
21÷0.7 = 16.9÷0.13 = 1.55÷3.9 =
3.7×0.016 = 7.2÷2 = 0.3÷0.15 =
0.5 * 0.12 = 0.6×3÷0.6×3 = 1.4 * 5 =
0.1 * 0.01 = 0.35 * 8 = 7.35÷7 =
1÷0.01 = 2÷ 0.4 = 0.32 * 0 =
1÷0.1 = 12.5 * 8 = 3.6÷0.6 =
0.25 * 0.8 = 2.5 * 9 = 48÷0.6 =
66.6÷1.11 = 0.125 * 8 = 9.3÷0.31 =
小数乘除法计算题2010-02-07 09:24乘法:
5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法:
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
(循环小数的用简便方法,除不尽保留2位小数):
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13=
0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ 5.76×3= (保留一位小数)
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4 1.08×25
0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4
8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5
2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04) 7.69×101 3.8×10.1
0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
二、解方程:
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5x-3x=18
5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2
x+3.86=5.46
17.89-x=12.89
40.8+x=57.3
x-3.25=16
2x+0.82=8.2
3+0.5x=7
7.8÷x=2.6
80x÷4=12
5-0.9x=2.75
2x+0.4x=48
6-2x+6x=18
35x+13x=9.6
0.52×5-4x=0.6
0.7(x+0.9)=42
1.3x+2.4×3=12.4
3.5x = 140
2x +5 = 40
15x+6x = 168
5x+1.5 = 4.5
13.7—x = 5.29
4.2 × 3—3x = 5.1 (写出检验过程)
20.5-4x=8.1
3.6x÷1.2=9.75
18×1.5-1.7x=13.4
18.5x-9.9x=1.721
9.2x+1.5x=32.1
7.2×5-8x=11.2
4x+3×0.7=6.5
(口算)
0.6×1.2= 0.84÷0.6= 4.5×0.1=
15×0.4= 0.1×0.5= 2.8÷7=
100÷0.01= 1.4×3= 0.72÷8=
6÷0.03= 0.5×0.6= 40×0.9=
4÷0.5= 7×2.1= 8.89+0.1=
24×0.25= 0.1÷0.01= 2.4×0.8=
9×0.4= 10×0.01= 30.2-3.02=
4.3-0.25= 1-0.82= 9.6÷0.3=
2.6×0.01= 0×25.4= 4.8×0.4=
7.2+2.8=
12×2.5=
2.63+0.37=
0.7×16-16×0.2=
0.96÷0.3=
1.5-4.5=
2.5×0.4
1.4×2.5×4=
8-2.5=
6÷1.2=
9.2÷2.3=
24÷4+56÷4=
0.36+0.64=
4÷0.25=
1.8×5=
30×(200+3)=
8.4÷4.2=
8×1.5=
4.8÷0.3=
2.73+1.5×4=
计算下面各题(能简算的要简算)
7.05×23.7+7.05×76.3
0.125×3.2×2.5
12.81-(1.5+7.81)
8.7×2.6+6.4×8.7+8.7
1025-1125÷4.5×3.6
12.25-3.1+0.85-6.17
(1.9-1.9×0.9)÷(3.8-2.8)
2.65×1.7+1.35×1.7
列竖式计算,得数保留一位小数.
1.2×1.4= 0.37×8.4= 3.14×2.8=
0.85×1.12= 0.86×5.4= 0.15×2.34=
40÷14= 26.37÷31= 45.5÷38=
1560÷35= 4.8÷2.3= 1.55÷3.9=
7.2÷2.1= 3.87÷7= 146.4÷13=
5.63÷6.1= 2.84×0.03= 0.38×0.13=
26.37÷31= 32÷42= 2.84×0.03=
4.8÷23= 0.382×0.13= 4.2÷4.5=
列竖式计算
1.64+2.35= 8.65-6.31= 28.448÷14= 0.58×250= 12.5+3.6= 10.88÷34= 10-7.64= 1.86×7= 13.88-6.29= 926×0.15= 8÷500= 26.3+7.93= 23×7.06= 100.2-2.28= 44÷9(精确到百分位)
三、计算(能简便的用简便方法计算)
8×25×1.25×16
4.04×250
45.55-(6.82+15.55)
3.2×99+3.2 4.8×39+61×4.8 34.52-17.87-12.23
2.5×56+4.5×65 489×101-489 4.57+3.17+3.43+5.83
4.6×56+48×4.6-4.6×4
竖式计算:
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
(保留一位小数)
1、 算下面各题
2.36×0.22 2.8×4.58 3.57÷4.2 82.8÷36
45×2.46 3.6÷0.24 382.5÷45 6.4×5.48
2、 简便计算
3.6×2.5+7.5×3.6 2.5×1.2 0.125×32 4.3×0.9 6.5×102 3.25×99+3.25
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
1、例题:(3.2×1.5+2.5)÷1.6
=(4.8+2.5)÷1.6
=7.3÷1.6
=4.5625
2、例题:0.12× 4.8÷0.12÷4.8
=0.12÷0.12× 4.8÷4.8
=1
3、例题:194-64.8÷1.8×0.9
=194-36×0.9
=161.6
4、例题:45.6-1.6÷4
=45.6-0.4
=45.2
5、例题:3.2×(1.5+2.5)÷1.6
=2×(1.5+2.5)
=8 脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28 3.94+34.3×0.2
1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8
0.87×3.16+4.64 9.5×101 0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
小数除法竖式计算100道如下:
25.2÷6=、34.5÷15=、5.6÷4=、1.8÷12=、1.8÷12=、7.83÷9=、4.08÷8=、0.54÷6=。
6.3÷14=、72÷15=、14.21÷7=、24÷15=、1.26÷18=、43.5÷29=、18.9÷27=。
1.35÷15=、28.6÷11=、20.4÷24=、3.64÷52=、15.6÷12=、328÷16=、1.35÷27=。
7.65÷0.85=、12.6÷0.28=、62.4÷2.6=、0.544÷0.16=、1.44÷1.8=、11.7÷2.6=。
19.4÷12=、5.98÷0.23=、19.76÷5.2=、10.8÷4.5=、21÷1.4=、8.84÷1.7=。
6.21÷0.03=、1.89÷0.54=、0.51÷0.22=、7.1÷2.5=、1.998÷0.54=、1.28÷0.16=。
2.1÷0.4=、2.56÷3.2=、50.18÷38.6=、4.68÷7.5=、14.7÷0.07=、5.4÷0.15=。
124.8÷0.24=、23.4÷5.85=、25.2÷6=、34.5 ÷15=、5.6÷4=、1.8÷12=。
小数乘除法竖式100道如下:
4.5×0.07 = 6.3÷0.09 = 2.5×3.6 =
19.8÷3.3 = 5÷0.25 = 0.76÷0.4 =
2.36×0.22 = 2.8×4.58 = 3.57÷4.2 =
82.8÷ 36 = 45×2.46 = 3.6÷0.24 =
382.5÷45 = 6.4×5.48 = 13.42×4.73 =
9.65×8.12 = 7.23×1.2 = 6.3×12 =
2.14×8.3 = 4.9×1.12 = 21.98×2.31 =
0.24×28.37 = 29.13×3.14 = 9.88×11.21 =
5.5÷11 = 7.5÷0.5 = 6÷1.2 =
3.2÷8 = 7.2÷ 0.9 = 24÷1.2 =
12÷0.12 = 6.75÷0.25 = 12÷0.75 =
21÷0.7 = 16.9÷0.13 = 1.55÷3.9 =
3.7×0.016 = 7.2÷2 = 0.3÷0.15 =
0.5 * 0.12 = 0.6×3÷0.6×3 = 1.4 * 5 =
0.1 * 0.01 = 0.35 * 8 = 7.35÷7 =
1÷0.01 = 2÷ 0.4 = 0.32 * 0 =
1÷0.1 = 12.5 * 8 = 3.6÷0.6 =
0.25 * 0.8 = 2.5 * 9 = 48÷0.6 =
66.6÷1.11 = 0.125 * 8 = 9.3÷0.31 =