北师大版四年级数学下册小数乘法专项练习题145Word下载.docx

北师大版四年级数学下册小数乘法专项练习题145Word下载.docx

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100＝10×

0.5＝0.007×

900＝0.9×

500＝

3.6×

0.055.4×

0.254.8×

0.10.81×

2.71

0.73×

0.53.9×

1.93×

0.935.3×

98.9

1.9×

0.07＋0.070.14＋6.7×

0.86.5＋0.93＋93.5

3.9＋0.2×

6.1125×

9.9×

0.8

0.56×

0.08＋0.26×

0.049100－0.7－5.3

0.8×

6＝7×

0.6＝0.05×

1000＝40÷

3.9×

10＝5×

0.08＝0.05×

700＝0.08×

4＝

8.4×

0.080.37×

0.680.32×

0.31.1×

8.65

5.1×

0.070.27×

0.360.87×

0.589.1×

42.8

0.17×

15＋0.069＋5.6×

90.81＋0.59＋3.19

0.88×

0.96＋0.88×

0.042.5×

0.04

0.65×

0.08－0.42×

0.054300－0.69－6.31

0.3×

5＝4×

0.3＝0.6×

10＝3.35÷

100＝

1.7×

1000＝7×

0.6＝0.7×

500＝0.1×

8＝

0.39×

0.60.36×

0.660.8×

0.627.7×

4.34

5.5×

0.043.8×

6.60.13×

2.33.1×

7.11

2.6×

4.4＋0.081.9＋1.2×

80.92＋0.24＋2.08

5×

0.81＋5×

0.19125×

8.6×

4

0.78×

0.08＋0.35×

0.03470－1.8－58.2

2＝3×

0.7＝0.5×

1000＝26.6÷

4.14×

100＝0.6×

0.7＝0.1×

6＝1×

0.05＝

3.5×

0.065.3×

4.42.7×

1.40.59×

4.68

9.5×

0.967.8×

6.45.1×

53.8

0.07×

0.95＋1.13.6＋0.28×

0.20.75＋0.89＋1.25

5.6×

7.8＋5.6×

2.25×

0.04×

0.08

6.9×

0.9－2×

0.4340－0.24－9.76

0.9×

5＝2×

0.3＝0.7×

100＝89.5÷

8.88×

100＝20×

0.03＝0.006×

50＝1.3×

40＝

0.30.26×

2.22.3×

3.50.56×

10.2

0.76×

0.40.35×

0.955.5×

0.968.9×

8.82

0.34×

9.8＋0.15.4＋0.7×

70.66＋0.7＋6.34

5.4×

3.6＋5.4×

6.40.5×

0.94×

0.69×

0.09＋0.18×

0.035300－0.7－8.3

0.5×

9＝2×

0.2＝0.8×

100＝2.38÷

0.218×

10＝0.02×

0.06＝0.02×

0.4＝1.1×

700＝

1.4×

0.090.6×

7.82.6×

78.2×

52.1

0.069.6×

0.446.3×

0.841.4×

4.51

76×

0.11＋0.080.89＋0.8×

78.3＋0.13＋91.7

0.59×

46＋0.59×

541.25×

2.8×

0.8－2.3×

0.43000－0.43－6.57

2＝7×

0.7＝0.7×

100＝95.2÷

0.925×

10＝0.05×

0.8＝0.04×

90＝0.12×

6＝

2.2×

0.090.56×

9.10.59×

0.21×

1.34

3.7×

0.51.2×

0.178.5×

0.420.84×

27.7

41×

0.7＋0.96.5＋4.2×

0.98.4＋0.93＋51.6

3×

29＋3×

710.05×

5.7×

0.4

0.68×

0.09＋0.43×

0.026600－2.9－97.1

3＝6×

0.6＝0.006×

1000＝0.566÷

9.52×

100＝0.2×

0.9＝0.004×

0.09＝0.1×

3＝

0.98×

0.40.74×

0.710.81×

8.99.2×

5.07

0.51×

0.69.8×

0.880.58×

55.7×

9.28

54×

0.2＋0.13.1＋0.68×

0.60.78＋2.8＋2.22

0.38×

3＋0.38×

725×

0.28×

2

7.7×

0.8－1.5×

0.2380－1.4－68.6

7＝8×

0.8＝0.001×

100＝97.2÷

73.4×

10＝50×

0.08＝0.2×

20＝0.14×

0.18×

0.020.4×

1.63×

0.10.92×

91.2

0.93×

0.60.86×

0.640.24×

7.20.22×

94.6

0.73＋0.80.75＋0.68×

0.20.72＋3.6＋3.28

2.3×

17＋2.3×

835×

0.6×

0.05＋0.4×

0.049400－0.78－2.22

9＝4×

0.5＝0.02×

10＝16÷

0.086×

1000＝5×

0.7＝0.01×

0.02＝0.03×

0.08＝

0.060.8×

2.51×

46.2×

8

0.89×

0.086.3×

0.490.82×

0.574.6×

2.63

96×

0.88＋0.69.2＋0.86×

0.42.9＋2.2＋47.1

0.49×

0.27＋0.49×

0.732.5×

5.2×

0.53×

0.05－0.14×

0.03920－1.9－18.1

7＝5×

0.9＝0.03×

10＝67.8÷

100＝0.07×

0.02＝0.007×

0.3＝1.7×

0.09＝

0.76.4×

2.90.47×

0.730.41×

4.9

0.21×

0.43.3×

2.20.93×

3.90.92×

9.33

0.41×

9.6＋0.74.3＋37×

60.2＋8.9＋7.8

0.64＋3.9×

0.360.25×

0.79×

0.08－0.24×

0.05310－5.3－64.7

0.4×

9＝6×

0.2＝0.009×

10＝0.159÷

0.435×

1000＝0.5×

0.02＝0.08×

0.09＝0.13×

9＝

7.5×

0.53.3×

0.345.3×

0.270.54×

5.29

0.60.95×

0.570.2×

0.664.1×

7.26

80＋0.90.69＋94×

0.20.15＋0.91＋4.85

0.47×

0.16＋0.47×

0.8425×

62×

0.05＋0.26×

0.023300－9.7－10.3

0.1×

6＝4×

100＝0.99÷

10＝0.6×

0.9＝0.001×

0.07＝0.9×

0.04＝

8.1×

0.54.2×

0.370.19×

0.983.3×

8.27

0.025.1×

9.90.61×

0.780.44×

7.51

0.35×

0.6＋0.050.57＋42×

85.9＋0.15＋74.1

0.99＋0.57×

0.015×

0.45×

7.6×

0.8＋2.1×

0.52400－0.11－5.89

0.9＝0.007×

10＝8.36÷

0.441×

10＝0.06×

0.7＝0.006×

0.080.34×

0.117.1×

4.42.4×

66.4

1.2×

0.049×

0.481.1×

0.269.4×

3.2

6.2＋0.17.4＋8.7×

33.5＋0.34＋76.5

0.37×

8.4＋0.37×

1.625×

1.3×

0.82×

0.09＋0.34×

0.024500－2.2－17.8

0.7＝0.08×

1000＝6.79÷

8.04×

1000＝6×

0.4＝0.003×

0.9＝0.14×

2＝

7.9×

0.026.1×

3.44.2×

1.25.8×

3.67

0.020.76×

4.85.4×

7.36.8×

85.8

0.74×

2.4＋0.127.2＋2.6×

0.39.6＋0.69＋70.4

97＋0.18×

32.5×

0.42×

0.75×

0.07＋0.23×

0.047000－9.8－10.2

0.8＝0.09×

1000＝73.1÷

1×

100＝4×

0.08＝0.02×

0.04＝0.14×

800＝

5.8×

0.024.6×

0.510.5×

0.580.71×

86.7

6.2×

0.60.29×

7.40.73×

3.85.5×

4.23

74×

0.64＋0.090.43＋2.3×

74.6＋0.64＋75.4

39＋0.34×

610.25×

43×

0.99×

0.07＋0.27×

0.051100－0.25－2.75

7＝6×

0.7＝0.6×

1000＝3.16÷

0.887×

10＝0.2×

0.06＝0.01×

7＝1.4×

9.2×

0.63.3×

0.970.34×

0.869.5×

32.3

0.090.74×

0.680.38×

5.36.5×

76

7.3×

6.7＋0.60.35＋54×

0.87.8＋0.58＋62.2

75＋9.2×

250.05×

28×

9.8×

0.7－4.3×

0.35900－0.91－4.09

8＝9×

0.2＝0.03×

10＝21.8÷

0.473×

100＝40×

0.04＝0.4×

900＝0.7×

0.59.4×

8.50.89×

0.962.7×

12.8

0.078.1×

0.450.6×

0.40.23×

10

0.24×

2.6＋0.62.7＋9.6×

41.4＋7＋8.6

0.77＋0.9×

0.230.25×

0.62×

0.08＋0.31×

0.02420－0.47－9.53

2＝6×

0.3＝0.4×

100＝11.2÷

7.75×

1000＝0.07×

0.3＝0.08×

0.6＝

0.20.76×

0.290.72×

0.810.23×

1.97