五年级小数竖式计算.docx
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五年级小数竖式计算.docx
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五年级小数竖式计算
68.8÷4= 85.44÷16= 67.5÷15= 289.9÷18=
101.7÷9= 243.2÷64= 16.8÷28= 15.6÷24=
0.138÷15= 1.35÷27= 0.416÷32= 3.64÷52=
91.2÷3.8= 0.756÷0.18= 51.3÷0.27= 26÷0.13=
210÷1.4= 2.688÷0.56= 10.625÷25= 126÷45=
10÷25= 2.7÷7.5= 15÷0.06= 25.6÷0.032=
14.36÷2.7≈8.33÷6.2≈ 1.7÷0.03≈ 32÷42≈
1.25÷1.2≈ 2.41÷0.7≈ 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= 5.63÷6.1=
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=
4.692÷2.3= 5.5×2.02= 3.14×0.68= 3.07×1.5=
5.26÷1.6 = 0.85×6.3 = 52.6×0.252= 35÷73 =
4、判断。
ﻫ(1)如果两个因数的积不是小数,那么这两个因数一定不是小数。
( )
(2)一个不等于0的数的1.02倍一定比原数大。
( )ﻫ(3)因为12×35=420,所以1.2×3.5=42.( )
(4)在表示近似数时,5.0也可以写成5。
( )ﻫ(5)整数乘法的交换律、结合律和分配律,对于小数乘法同样适用。
( )
(6)0.25×9.9=0.25×(10-1)=0.25×10-0.25。
( )ﻫ(7)4.10与4.1大小相等,表示意义也相同。
( )ﻫ(8)3.994精确到百分位约是4.00.( )ﻫ(9)一个数(0除外)除以小数,商一定比这个数大。
( )
(10)两个数相除的商是0.9,被除数不变,除数扩大10倍,商是9.( )ﻫ5、把下列各式中的乘积点上小数点,使等式成立。
ﻫ 9.36×2.7=25272 0.89×6.43=57227ﻫ 52.1×1.98=103158 26.15×3.4=8891
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=
920÷40=780÷60= 960÷40= 79×97=
28×32= 54×25= 48×61= 23×37=
46×58=326×52= 45×12= 33×12=
32×69= 0.828 ÷36 97.2 ÷24 7.65 ÷ 0.85
12.6÷0.28 8.61 ÷ 2.1 58.75÷ 0.25220.3÷0.7
58.8÷0.28 58.9÷31 7.67 ÷5.9 83.2÷3.2
97.2÷5.4 8.4÷24 18÷48 23÷184
7.65÷25 0.98÷35 2.525÷25 84÷56
140.7÷38 2.8÷72 1.56÷2.4= 1.44÷0.015=
2.898÷0.18= 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
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
0.828÷36 97.2÷24 7.65÷0.85 12.6÷0.28
8.61÷ 2.1 58.75÷0.25 220.3÷0.7 58.8÷0.28
58.9÷31 7.67÷5.9 83.2÷3.2 97.2÷5.4
8.4÷24 18÷48 23÷184 7.65÷25
0.98÷35 2.525÷2584÷56 140.7÷3 82.8÷72
1.56÷2.4= 1.44÷0.015= 2.898÷0.18= 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 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 1.44÷0.015= 2.898÷0.18=
1.44÷0.015= 2.898÷0.18= 0.328÷8= 3.51÷3=
7.21÷7= 23÷25= 3.64÷14= 37.8÷28=
600÷50= 42×0.16= 84×0.25= 0.36×0.9=
2.4÷3= 20×0.5= 0.8×6= 1000×0.09=1.35÷27= 58×0.32= 1.08×52= 8.5×0.54= 5.62×2.4= 0.28×0.16= 1.06×0.82=0.06×0.75=0.41×2.01= 0.63×0.12= 3.5×2.01 1.26÷0.84=
1.45×6.5+0.55×6.5 6.12×99+6.12 5.9×101-5.9
8÷()=0.8 25.8÷()=0.258452÷()=45.2 70÷()=0.7
800.9÷()=80.09 360÷( )=0.36 6.54×1.04=0.522÷0.18=
33÷7.5= 10÷0.8= 0.6÷0.015= 0.532÷0.4=
0.05÷0.025= 0.21÷0.012=3.6÷4.8= 8.01÷0.9=
0.51÷0.85= 6.3÷0.42= 25.2÷63= 0.456÷1.5=
16.43+3.6= 21.5-20.83= 5.7+4.33= 20.1-6.9=
0.65+19.5= 0.29×3.18(保两) 4.48÷2.8+1.5
35.4-9.6÷(2.65-1.05) 6.3×【(0.9+1.8)÷4.5】
以下简便运算
12.5×32×0.25 29.4+1.72+3.56 5.17-1.8-3.2
13.75-(3.75-6.48) 3.45+7.7+16.55+1.3 21.63-(8.5+9.63)
36.59-(6.59+7.3) 7.23+6.84-0.84+2.77
0.312×12= 42×0.16= 84×0.25= 58×0.32=
1.08×52= 54×0.47=420×3.5= 9.3÷100×1000=
2871÷0.33= 50-16.66= 6×0.73= 3.82×0.45=
3.1×4.05= 0.522÷0.18= 7.54÷0.26= 91.2÷0.024=
1、用竖式计算
0.396÷1.2= 0.756÷0.36= 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=13.95÷3.1=
6.4×2.5= 4.48×4.4= 5.25×15 = 4.6×0.6=
35.4×4.2= 0.042×0.54 = 0.76×0.32 0.25×0.046=
0.45×0.73= 0.43×0.28= 2.52×3.4= 1.08×25=
0.12×0.5×0.16= (保留两位小数) 3.25×9.04= (用除法验算)
4.8×0.25= 0.125×1.4≈ 10.75÷12.5= (用乘法验算)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数表示)
8.9×0.05= 3.08×0.43= 1.5×26.7= 5.22÷29=
18.72÷3.6= 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=2 6×15.7+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= 3.6×9.85-5.6 = 8.05×3.4+7.6 =
6.58×4.5×0.9= 2.8×0.5+1.58= 4.85+0.35÷ 1.4=
8.7× 17.4- 8.7×7.4= (1.25-0.125)×8=
32+4.9-0.9= 4.8-4.8×0.5 = 4.8×100.1 =
56.5×99+56.5 = 7.09×10.8-0.8×7.09=
12.5×0.4×2.5×8 = 0.87×3.16+4.64 = 2.13.×0.×8257=
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=
4.2.×1.+1.×1.75= 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 = 14.7÷0.07=
46×0.33+54×0.33= 6.81+6.81×99 = 0.25×185×40=
(8×5.27)×1.25 = 6.8×0.75÷0.5 =1.53+23.4÷7.2=
3.75÷0.125–2.75= 13.5×0.98= 12.5×8.8= 9.5×99=
1.2×1.4= 0.37×8.4= 3.14×2.8= 0.15×2.34=
0.85×1.12=0.86×5.4= 40÷14= 45.5÷38=
26.37÷31= 1560÷35= 4.8÷2.3= 1.55÷3.9=
7.2÷2.1=3.87÷7= 146.4÷13= 0.382×0.13=
5.63÷6.1= 2.84×0.03=26.37÷31= 32÷42=
2.84×0.03= 4.8÷23= 0.382×0.13= 4.2÷4.5=
2.52×3.4= 1.08×55= 0.12×0.44= 0.24×2.15=
0.25×0.046= 6.03×0.25= 2.93-1.837= 3.568÷16=
26.55÷59= 117÷18= 9.48+1.36= 36.9÷18=
四、单位换算(12%)ﻫ0.24米=( )厘米 0.09吨=( )千克
8.54平方分米=( )平方厘米 3.64千米=( )米ﻫ 140平方厘米=( )平方分米 785米=( )千米 ﻫ 23分米=( )米 60克=( )千克 ﻫ2.06千克=( )克 3元4角=( )元ﻫ15厘米=( )米 7吨60千克=( )吨
五、脱式计算(能简算的要用简便方法计算)(24%)ﻫ15.89+(6.75-5.89) 5.17-1.8-3.2 13.75-(6.48+3.75)
3.68+7.56-2.68 7.85-(2.34-0.15) 35.6-1.8-15.6-7.2
13.35-4.68+2.65-5.32 73.8-1.64-13.8-5.36 5.4÷0.15=
2、脱式计算(能简算的要简算)。
0.125×0.25×8×4 7.4×0.28+0.28×2.6 23.4÷5.85=
4.8×0.9+0.48 (4-0.4)×2.5 0.544÷0.025=
2、脱式计算(能简算的要简算)
0.125×32 0.78×101 3.26×5.7-32.6×0.07
0.25×0.06 0.125×0.4 0.64×0.75 14.5×0.28
10.32÷2 12.8÷4 37.8÷9 10.32÷2.4
3.25÷2.5 5.46÷1.3 0.465÷0.15 0.784÷0.56
65÷52 11.2÷0.05 9÷0.18 1.8÷20
7÷0.56 7.3÷0.25 0.798÷0.38 9.8÷1.4
2.52÷2.4 60÷4.8 72.8÷0.8 0.315÷1.5
31÷25 13÷20 0.092÷23 72.8÷8
0.315÷0.15 96÷64 176÷25 11.4÷0.24 2.08÷26 36÷48 96÷0.64 7.56÷4.2
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=
ﻫ7.2÷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=
1.64+2.35= 8.65-6.31= 28.448÷14= 10.88÷34=
0.58×250= 12.5+3.6= 10-7.64= 1.86×7=
13.88-6.29= 926×0.15= 8÷500= 100.2-2.28
26.3+7.93= 23×7.06= 44÷9(精确到百分位)
18÷24= 43.68÷26= 25.3÷0.88= 124.8÷0.24= ﻫ0.1575÷3.15= 0.612÷1.8= 16.787÷0.28 (保留一位小数)
2.36×0.22 2.8×4.58 3.57÷4.2 45×2.46
82.8÷36 382.5÷45 6.4×5.48 0.756÷0.36=
0.396÷1.2= 27.5÷0.025= 5.08×0.65(得数保留两位小数)
9.62÷0.158(得数保留两位小数)14.2÷11(商用循环小数表示)203.5÷11=
ﻫ
25.2÷6= 34.5÷15= 5.6÷4= 1.8÷12=
1.8÷12= 7.83÷9= 4.08÷8= 0
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