北师大版四年级数学下册小数乘法综合练习题126.docx

北师大版四年级数学下册小数乘法综合练习题126.docx

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北师大版四年级数学下册小数乘法综合练习题126

一、口算。

0.7×6＝5×0.9＝0.006×1000＝3.26÷10＝

14.3×10＝0.3×0.05＝0.004×60＝0.04×900＝

0.5×2＝3×0.5＝0.9×10＝85.7÷1000＝

0.747×1000＝6×0.8＝0.07×0.05＝1×6＝

二、列竖式计算。

6.5×0.090.68×0.61.6×5.87×3.08

0.76×0.30.6×90.67×0.367.1×2.87

43×0.23.7×0.580.44×0.690.2×6.76

0.13×0.60.75×2.80.51×7.18.04×0.84

一、口算。

0.8×2＝6×0.4＝0.04×1000＝8.3÷10＝

59×10＝0.3×0.5＝0.2×0.2＝0.6×40＝

0.8×2＝7×0.8＝0.05×100＝86.9÷100＝

5.6×1000＝8×0.05＝0.005×60＝0.15×50＝

二、列竖式计算。

4.8×0.94.4×0.390.19×0.44.4×30.2

5.3×0.60.85×1.15.9×0.939.6×7.75

31×0.037.3×0.250.16×1.52.1×1.89

1.5×0.050.8×2.29.9×0.59×4.7

一、口算。

0.2×2＝2×0.3＝0.08×100＝0.007÷1000＝

0.224×100＝0.3×0.7＝0.002×5＝0.8×700＝

0.9×4＝2×0.4＝0.001×100＝0.297÷1000＝

51.6×100＝10×0.02＝0.008×20＝0.05×60＝

二、列竖式计算。

2.7×0.20.14×0.91.4×0.10.21×62.6

7.8×0.090.57×90.82×1.75.2×9.21

550×0.060.86×0.120.54×0.410.24×1.49

4.2×0.080.88×0.270.79×3.55.02×0.27

一、口算。

0.4×4＝8×0.2＝0.8×1000＝59÷100＝

37.4×1000＝7×0.09＝0.4×0.2＝1.7×70＝

0.2×4＝8×0.8＝0.006×100＝7.37÷1000＝

5.3×10＝7×0.03＝0.3×0.6＝1.2×70＝

二、列竖式计算。

5.7×0.020.62×0.890.74×0.42.5×1.23

5.6×0.033.1×7.80.83×6.70.82×2.48

23×0.090.8×0.135.4×0.659.4×21.8

9.1×0.049.6×0.480.48×574×7.1

一、口算。

0.1×7＝6×0.7＝0.5×1000＝2.47÷100＝

9.45×100＝0.2×0.08＝0.006×0.4＝0.12×0.7＝

0.6×6＝2×0.2＝0.05×100＝3.09÷1000＝

0.249×10＝0.1×0.04＝0.4×800＝1.4×0.04＝

二、列竖式计算。

6.2×0.30.35×1.90.9×5.55.1×73.7

0.34×0.024.7×4.50.17×1.10.2×3.51

15×0.45.9×0.950.21×4.44.6×86.6

0.72×0.79.9×7.90.33×9.390.8×0.47

一、口算。

0.5×7＝7×0.3＝0.007×100＝20.3÷1000＝

49.2×1000＝0.05×0.3＝0.005×7＝0.19×0.05＝

0.7×8＝2×0.9＝0.01×1000＝2.79÷10＝

28.5×10＝1×0.09＝0.08×0.09＝0.03×9＝

二、列竖式计算。

0.83×0.70.4×2.65.1×0.720.36×96.2

0.21×0.42.7×0.453.8×0.66.9×46.7

71×0.34.7×0.150.93×0.113.4×95.6

6.7×0.047.5×0.570.19×0.142.4×0.37

一、口算。

0.9×4＝6×0.2＝0.6×1000＝4.05÷100＝

7.16×10＝40×0.6＝0.6×600＝1.8×20＝

0.8×2＝9×0.5＝0.004×100＝0.845÷10＝

24.3×10＝40×0.03＝0.002×4＝0.2×0.03＝

二、列竖式计算。

4.4×0.76.4×0.436.2×8.50.24×9.2

0.49×0.63.9×0.950.78×0.356.2×62.5

0.22×0.080.13×8.92.6×4.35.5×61.6

6.7×0.46.3×0.822.8×840.1×5.3

一、口算。

0.5×5＝7×0.6＝0.02×100＝0.237÷10＝

0.164×1000＝0.06×0.06＝0.03×30＝0.14×0.04＝

0.1×4＝5×0.3＝0.009×10＝25.3÷10＝

92.2×1000＝2×0.04＝0.5×0.5＝0.1×80＝

二、列竖式计算。

0.38×0.50.57×0.381.1×0.430.51×20.2

0.83×0.071×0.120.36×5.10.37×2.8

180×0.040.27×7.20.22×7.50.19×17.9

0.62×0.30.15×8.39.9×0.986.89×9.7

一、口算。

0.9×6＝3×0.2＝0.009×100＝79.4÷100＝

7.29×100＝10×0.07＝0.08×0.9＝0.5×6＝

0.9×6＝3×0.8＝0.002×1000＝36.9÷100＝

5.13×1000＝0.5×0.2＝0.02×0.4＝0.13×0.5＝

二、列竖式计算。

0.77×0.32.6×9.17.8×0.858.5×49.9

4.2×0.065.9×0.380.95×0.580.25×5.83

710×0.080.25×2.40.51×8.51.6×4.28

6.8×0.30.18×0.860.13×0.792.87×4.1

一、口算。

0.2×9＝9×0.8＝0.07×1000＝3.94÷1000＝

24.1×100＝30×0.06＝0.03×6＝0.18×0.08＝

0.2×9＝5×0.5＝0.01×10＝0.746÷100＝

0.326×10＝6×0.07＝0.01×200＝0.15×300＝

二、列竖式计算。

8.7×0.043.4×4.74×0.424.2×58.8

0.22×0.20.17×9.20.53×5.80.66×95.9

290×0.020.45×0.370.97×6.46.7×2.34

6.8×0.089.9×0.337×0.9354.8×7.7

一、口算。

0.1×5＝3×0.6＝0.003×1000＝37.3÷1000＝

14.2×100＝0.07×0.3＝0.08×400＝0.05×0.03＝

0.5×2＝4×0.7＝0.005×1000＝9÷10＝

0.284×1000＝70×0.6＝0.04×0.5＝0.5×200＝

二、列竖式计算。

0.15×0.040.88×8.46.1×5.30.92×95.4

4.3×0.64.3×0.760.99×0.420.5×2.13

3.7×0.60.42×4.20.18×32.8×58.1

5.8×0.67.5×0.694.2×4.22.68×0.73

一、口算。

0.6×5＝6×0.5＝0.006×100＝7.11÷100＝

0.025×100＝90×0.7＝0.9×30＝0.1×600＝

0.4×4＝8×0.2＝0.09×100＝89.1÷1000＝

87.5×10＝0.8×0.2＝0.002×0.3＝0.13×700＝

二、列竖式计算。

1.9×0.29.8×0.545.6×0.484.5×6.32

0.28×0.90.5×8.38.6×0.925.4×10.5

170×0.090.14×0.530.62×7.30.9×19.6

0.29×0.054.3×0.934.7×1.983.1×1

一、口算。

0.1×8＝3×0.3＝0.07×10＝4.3÷10＝

0.59×100＝0.06×0.02＝0.09×6＝1.8×0.3＝

0.5×9＝7×0.6＝0.08×1000＝0.401÷100＝

9.3×1000＝7×0.4＝0.009×0.2＝0.06×7＝

二、列竖式计算。

0.62×0.80.82×80.98×0.350.82×92.8

0.29×0.035.9×2.39.4×0.920.14×64

4.6×0.87.4×8.36.4×0.882.4×1.68

1.3×0.090.12×4.50.28×3.179.9×2.8

一、口算。

0.4×4＝6×0.5＝0.4×100＝66÷100＝

0.443×100＝0.07×0.3＝0.1×0.4＝0.04×90＝

0.2×5＝2×0.6＝0.5×10＝0.522÷10＝

29.4×1000＝0.05×0.09＝0.004×20＝0.04×0.8＝

二、列竖式计算。

2.5×0.60.84×9.40.76×2.20.3×7.49

0.48×0.70.23×0.380.84×3.50.24×19.7

42×0.90.53×5.54.3×4.41.6×67.2

2.7×0.066.1×0.596×0.325.74×6.4

一、口算。

0.1×6＝2×0.3＝0.09×1000＝6.1÷100＝

0.58×1000＝0.4×0.3＝0.009×2＝0.2×0.6＝

0.9×3＝4×0.5＝0.002×100＝6.09÷100＝

0.426×100＝30×0.6＝0.4×3＝0.02×50＝

二、列竖式计算。

0.34×0.045.3×0.27.5×90.91×8.31

5.4×0.97.3×0.250.9×2.10.46×5.58

36×0.80.86×0.774.8×0.540.74×5.77

6.7×0.060.45×6.80.86×0.953.65×2

一、口算。

0.3×6＝8×0.4＝0.009×100＝0.876÷1000＝

0.874×100＝6×0.03＝0.009×2＝0.08×6＝

0.9×3＝4×0.9＝0.09×100＝0.771÷10＝

88.6×10＝40×0.4＝0.006×90＝0.04×90＝

二、列竖式计算。

0.18×0.055.6×0.263.3×20.48×89.9

0.95×0.070.33×0.529.3×9.30.4×41.2

85×0.083.4×4.10.26×0.270.52×69.6

1.4×0.039.8×0.159.9×7.216.7×7.8

一、口算。

0.9×3＝9×0.6＝0.009×100＝51÷100＝

9.4×1000＝0.5×0.09＝0.4×0.02＝0.3×0.8＝

0.6×2＝8×0.6＝0.03×100＝3.7÷100＝

5.44×1000＝20×0.07＝0.02×60＝1.8×9＝

二、列竖式计算。

0.92×0.030.76×0.570.51×0.80.11×9.47

4.7×0.77.6×5.25.4×0.833.3×24.2

9500×0.20.43×0.370.83×0.893.7×1.98

0.65×0.050.98×0.294×3.725.4×0.3

一、口算。

0.9×9＝7×0.3＝0.07×1000＝0.84÷100＝

1.12×10＝0.9×0.09＝0.4×20＝0.9×60＝

0.1×7＝8×0.6＝0.6×1000＝51.8÷10＝

0.298×10＝1×0.06＝0.7×800＝1.6×0.3＝

二、列竖式计算。

0.28×0.70.21×2.70.78×0.80.75×1.64

0.55×0.54.7×0.987.7×1.20.38×97.4

0.33×0.097×0.219.1×0.741.4×21.1

9.1×0.040.82×2.47.2×0.3117.2×0.38

一、口算。

0.9×7＝8×0.6＝0.005×10＝0.682÷10＝

25×1000＝10×0.4＝0.009×6＝0.2×600＝

0.5×8＝2×0.5＝0.4×1000＝0.744÷10＝

0.919×100＝0.05×0.04＝0.8×40＝0.02×7＝

二、列竖式计算。

0.35×0.33.9×39.4×0.612.4×1.1

0.72×0.69.5×0.68×4.70.49×6.58

83×0.087×1.28.4×7.63.7×62.2

1.7×0.090.69×0.676.9×0.288.5×0.73

一、口算。

0.9×9＝2×0.8＝0.8×100＝33.8÷1000＝

2.13×10＝0.6×0.9＝0.07×2＝0.1×0.2＝

0.4×8＝7×0.7＝0.008×100＝0.715÷10＝

66.3×1000＝0.06×0.08＝0.002×0.2＝0.7×0.03＝

二、列竖式计算。

5.2×0.70.24×1.10.64×0.590.81×9.75

0.92×0.078.9×1.30.62×0.392.3×65.3

510×0.45.7×6.80.19×50.3×24.9

5.9×0.26.2×0.249.5×0.4587.1×1.5