五年级小数竖式计算docx.docx
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五年级小数竖式计算docx.docx
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五年级小数竖式计算docx
.
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。
(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。
(
)
(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。
(
)
(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。
(
)
(7)4.10与4.1大小相等,表示意义也相同。
(
)
(8)3.994精确到百分位约是4.00.(
)
(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.(
)
5、把下列各式中的乘积点上小数点,使等式成立。
9.36×2.7=25272
0.89×6.43=57227
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÷3697.2÷247.65÷0.85
12.6÷0.288.61÷2.158.75÷0.25220.3÷0.7
.
.
58.8÷0.2858.9÷317.67÷5.983.2÷3.2
97.2÷5.48.4÷2418÷4823÷184
7.65÷250.98÷352.525÷2584÷56
140.7÷382.8÷721.56÷2.4=1.44÷0.015=
.
.
2.898÷0.18=
85.44÷16
42.84÷7
101.7÷9
67.5÷15230.4÷621.24÷360.736÷23
43.5÷1235.21÷739.6÷246.21÷0.03
85.44÷1642.84÷7101.7÷967.5÷15
230.4÷621.24÷360.736÷2343.5÷12
.
.
35.21÷739.6÷246.21÷0.03210÷1.4
51.3÷0.2791.2÷3.80.756÷0.180.66÷0.3
11.97÷1.569.6÷2.938.4÷0.815÷0.06
0.828÷3697.2÷247.65÷0.8512.6÷0.28
8.61÷2.158.75÷0.25220.3÷0.758.8÷0.28
.
.
58.9÷317.67÷5.983.2÷3.297.2÷5.4
8.4÷2418÷4823÷1847.65÷25
0.98÷352.525÷2584÷56140.7÷382.8÷72
1.56÷2.4=1.44÷0.015=2.898÷0.18=85.44÷16
42.84÷7101.7÷967.5÷15230.4÷6
.
.
21.24÷360.736÷2343.5÷1235.21÷7
39.6÷246.21÷0.0385.44÷1642.84÷7
101.7÷967.5÷15230.4÷621.24÷36
0.736÷2343.5÷1235.21÷739.6÷24
.
.
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.180.66÷0.311.97÷1.569.6÷2.9
38.4÷0.815÷0.061.44÷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÷(
)=0.258
452÷()=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
12.5×32×0.2529.4+1.72+3.565.17-1.8-3.2
13.75-(3.75-6.48)3.45+7.7+16.55+1.321.63-(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=5.2×0.68.4×1.3=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=0.76×0.320.25×0.046=
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=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=3.6×9.85-5.6=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%)
0.24米=(
)厘米
0.09吨=(
)千克
8.54平方分米=(
)平方厘米
3.64千米=(
)米
140平方厘米=(
)平方分米
785米=(
)千米
23分米=(
)米
60克=(
)千克
2.06千克=(
)克
3元4角=(
)元
15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%)
15.89+(6.75-5.89)5.17-1.8-3.2
13.75-(6.48+3.75)
3.68+7.56-2.687.85-(2.34-0.15)35.6-1.8-15.6-7.2
13.35-4.68+2.65-5.3273.8-1.64-13.8-5.365.4÷0.15=
.
.
2、脱式计算(能简算的要简算)。
0.125×0.25×8×47.4×0.28+0.28×2.623.4÷5.85=
4.8×0.9+0.48(4-0.4)×2.50.544÷0.025=
2、脱式计算(能简算的要简算)
0.125×320.78×1013.26×5.7-32.6×0.07
0.25×0.060.125×0.40.64×0.7514.5×0.28
10.32÷212.8÷437.8÷910.32÷2.4
3.25÷2.55.46÷1.30.465÷0.150.784÷0.56
.
.
65÷52
11.2÷0.05
9÷0.18
1.8÷20
7÷0.567.3÷0.250.798÷0.389.8÷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÷0.242.
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=
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=
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=
0.1575÷3.15=
0.612÷1.8=
16.787÷0.28(保留一位小数)
2.36×0.222.8×4.583.57÷4.245×2.46
82.8÷36382.5÷456.4×5.480.756÷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=
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=
.
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