五年级小数乘法竖式计算.doc

五年级小数乘法竖式计算.doc

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小数乘法竖式计算

A8.6×3.250.325×0.14（保二）3.2×5.0618.25×349.35×4.215.07×9.87.02×0.56（保一）4.02×0.110.78×3.10.842×2.5（保一）33.6×48012.4×3.5

B403×3.51.43×1.78.02×2.81.36×3.7（保二）0.25×0.082.8×0.651.8×3.43.6×0.745.24×1.22.31×0.23（保二）2.65×1.44.4×500

C2.87×0.1320.4×1.35.6×0.36（保一）

8.04×236.24×0.1516.7×3.28.03×0.26（保二）352×1.265.3×0.110.12×2.60.98×0.136.41×3.4

D2.55×1.450.6×4.387.5×1.20.145×3.1（保二）0.103×0.232.64×2.58.1×4.75.21×0.440.75×0.243.7×0.10243.5×3006.4×12.7

E4.31×0.051.2×10.53.7×6.486.05×0.530.048×0.131.23×0.996.3×3.68.1×0.4212.6×1804.26×1.5350×1.45.04×600

小数除法

（1）68.8÷4＝

（2）85.44÷16＝（3）67.5÷15＝（4）289.9÷18＝　　（5）101.7÷9＝　　　（6）243.2÷64＝（7）16.8÷28＝　　　（8）15.6÷24＝　　　（9）0.138÷15＝（10）1.35÷27＝　　　（11）0.416÷32＝　　（12）3.64÷52＝（13）91.2÷3.8＝　　　（14）0.756÷0.18＝　　（15）51.3÷0.27＝（16）26÷0.13＝　　　（17）210÷1.4＝　　　（18）2.688÷0.56＝（19）10.625÷25＝　　　（20）126÷45＝　　　（21）10÷25＝

（22）2.7÷7.5＝　　　（23）15÷0.06＝　　　（24）25.6÷0.032＝

2、下面各题，商保留一位小数。

（25）14.36÷2.7≈　（26）8.33÷6.2≈（27）1.7÷0.03≈

3、下面各题，商保留二位小数。

（28）32÷42≈（29）1.25÷1.2≈　（30）2.41÷0.7≈

小学数学五年级上册简便计算练习1

0.25×0.280.125×3.2×2.535×40.20.25×4÷0.25×43.5×9.93.5×99+3.53.5×101-3.53.5×9.9+3.5×0.13.5×2.7+35×0.733.5×2.7-3.5×0.7（32+5.6）÷0.83.5÷0.6-0.5÷0.64.9÷3.57÷0.25÷47÷0.125÷87.35÷（7.35×0.25）7.35÷（7.35÷0.25）7.325-（5.325+1.7）3.29+0.73+2.273.29-0.73-2.277.5+2.5-7.5+2.57.325-3.29-3.3257.325-（5.325+1.7）7.325-（5.325-1.7）3.29+0.73-2.29+2.273.29×0.25×463.4÷2.5÷0.4 4.9÷1.4 1.54）        2.5×2.4       2.7÷45 0.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.2528.6×101－28.6         0.86×15.7－0.86×14.7 2.4×1022.64＋8.67＋7.36＋11.33         2.31×1.2×0.5

 （2.5－0.25）×0.4      9.16×1.5－0.5×9.16         3.6－3.6×0.5

7.6×0.8＋0.2×7.6    0.85×199     

脱式计算

6.9＋4.8＋3.10.456＋6.22＋3.7815.89＋（6.75－5.89）4.02＋5.4＋0.98

5.17－1.8－3.213.75－（3.75＋6.48）3.68＋7.56－2.687.85＋2.34－0.85＋4.66

35.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.19.6＋4.8－3.6

7.14－0.53－2.475.27＋2.86－0.66＋1.6313.35－4.68＋2.65

73.8－1.64－13.8－5.3647.8－7.45+8.80.398+0.36+3.64

15.75+3.59－0.59+14.2566.86－8.66－1.340.25×16.2×4

（1.25－0.125）×820×[（2.44－1.8）÷0.4＋0.15]28-（3.4+1.25×2.4）2.55×7.1+2.45×7.1

777×9+1111×30.8×〔15.5-（3.21+5.79）〕（31.8+3.2×4）÷5

31.5×4÷（6+3）0.64×25×7.8+2.22÷2.5+2.5÷2

194－64.8÷1.8×0.936.72÷4.25×9.95180－705×6

24÷2.4－2.5×0.8（4121+2389）÷7671×15-974

469×12+1492405×（3213-3189）3.416÷（0.016×35）

0.8×[（10－6.76）÷1.2]19.4×6.1×2.35.67×0.2-0.62

（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.5

63.4÷2.5÷0.44.9÷1.43.9÷（1.3×5）（7.7＋1.54）÷0.7

2.5×2.42.7÷450.35×1.25×2×0.832.4×0.9＋0.1×32.4

15÷0.254.5÷1.84.2÷3.5930÷0.6÷53.65×10.1

15÷（0.15×0.4）3.2×0.25×12.530.8÷[14－（9.85＋1.07）]

[60－（9.5＋28.9）]÷0.182.881÷0.43－0.24×3.5

3.6×1023.72×3.5＋6.28×3.536.8－3.9－6.1

15.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.5232＋4.9－0.9

4.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.09

25.48－（9.4－0.52）4.2÷3.5320÷1.25÷8

18.76×9.9＋18.763.52÷2.5÷0.43.9－4.1＋6.1－5.9

5.6÷3.59.6÷0.8÷0.44.2×99＋4.217.8÷（1.78×4）

0.49÷1.41.25×2.5×3215.2÷0.25÷40.89×100.1146.5－（23＋46.5）

3.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.7

27.5×3.7－7.5×3.78.54÷2.5÷0.40.65×101

（45.9－32.7）÷8÷0.1253.14×0.68＋31.4×0.032

5.6÷1.25÷0.8÷2.5÷0.47.2×0.2＋2.4×1.48.9×1.01

7.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.3

18－1.8÷0.125÷0.812.7×9.9＋1.2721×（9.3－3.7）－5.6

15.02-6.8-1.025.4×11-5.42.3×16+2.3×23+2.39.43-（6.28-1.57）3.65×4.7－36.5×0.37

46×57＋23×8613.7×0.25－3.7÷42.22×9.9+6.66×6.7

101×0.87-0.91×8710.7×16.1-15.1×10.70.79×199

4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.24

2.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.98

0.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.5

3.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.55