北师大版四年级数学下册第一单元小数加减法专项练习题221Word格式文档下载.docx

北师大版四年级数学下册第一单元小数加减法专项练习题221Word格式文档下载.docx

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3.38＝____＋____＋____

2.08＝____＋____

7.633＝____＋____＋____＋____

2－1.5＝2.5＋6＝1.2＋3.23＝

88.8－22.3＝43.4＋30.3＝75.75－10.4＝

5.59－4.74＋2.78.57－（3.93＋1.04）9.57＋8.46－3.47

8.24＝8＋0.2＋0.04

10.58＝____＋____＋____

10.08＝____＋____

7.922＝____＋____＋____＋____

6.7－4.8＝3.2＋1.6＝4＋3.41＝

99.9－40.3＝54.4＋45.3＝69.59－42.2＝

6.27＋4.18＋1.79.42－（4.85－0.89）2.23＋7.08＋0.24

7.83＝7＋0.8＋0.03

7.67＝____＋____＋____

9.09＝____＋____

2.586＝____＋____＋____＋____

9－1.9＝7.7＋2.1＝1.2＋1.44＝

66.8－52.0＝53.0＋22.4＝77.58－11.2＝

7.89－3.58＋5.257.35－（4.67－0.86）5.06＋6.02＋1.94

6.47＝6＋0.4＋0.07

6.69＝____＋____＋____

5.03＝____＋____

11.957＝____＋____＋____＋____

5.8－3.3＝2.5＋3.6＝3＋2.24＝

67.9－23.3＝40.2＋43.3＝79.55－50.1＝

5.82－3.04＋1.357.91－（4.63－0.81）5.55＋9.19－2.88

9.44＝9＋0.4＋0.04

11.57＝____＋____＋____

4.02＝____＋____

3.376＝____＋____＋____＋____

9.5－3.7＝2.4＋2.5＝2.1＋3.04＝

77.8－13.4＝21.3＋20.3＝86.99－10.1＝

9.22＋1.21＋0.488.72－（4.85－1.4）6.26＋7.24－3.18

4.86＝4＋0.8＋0.06

7.29＝____＋____＋____

11.02＝____＋____

1.256＝____＋____＋____＋____

7.4－3＝1.9＋8.1＝2＋2.22＝

95.5－42.3＝22.4＋24.4＝96.69－10.2＝

9.34＋1.94＋8.527.88－（4.82－0.78）2.08＋5.99－1.99

2.64＝2＋0.6＋0.04

4.67＝____＋____＋____

3.03＝____＋____

7.468＝____＋____＋____＋____

3－1.8＝3.9＋3.2＝2＋3.33＝

98.7－40.4＝24.2＋21.2＝89.56－51.4＝

6.59－2.79＋2.728.34－（3.2－1.74）8.52＋6.55＋0.85

3.42＝3＋0.4＋0.02

1.79＝____＋____＋____

2.07＝____＋____

8.168＝____＋____＋____＋____

5.4－2.8＝1.2＋2.1＝4.3＋4.33＝

89.5－35.1＝33.0＋45.3＝75.87－42.4＝

9.95＋4.96＋4.277.97－（3.4＋0.19）5.73＋6.25－4.34

4.72＝4＋0.7＋0.02

9.28＝____＋____＋____

8.321＝____＋____＋____＋____

2.4－1.5＝2.5＋2.9＝5.3＋4.23＝

99.8－40.4＝13.2＋34.1＝88.85－41.4＝

8.27－3.01＋3.117.5－（3.25＋1.7）7.18＋5.59－2.19

9.72＝9＋0.7＋0.02

14.14＝____＋____＋____

1.08＝____＋____

14.616＝____＋____＋____＋____

8.6－3.5＝7.3＋2＝1.2＋1.04＝

96.9－31.4＝33.1＋13.4＝69.98－10.4＝

8.03＋4.72＋7.47.43－（4.29－1.14）9.27＋9.7－4.86

8.33＝8＋0.3＋0.03

13.86＝____＋____＋____

14.06＝____＋____

12.857＝____＋____＋____＋____

4.4－2.9＝1.4＋1.3＝3.2＋3.02＝

68.7－55.1＝34.1＋23.2＝89.69－12.4＝

9.72＋2.6＋3.789.88－（3.87＋1.76）7.26＋6.12－2

9.81＝9＋0.8＋0.01

3.26＝____＋____＋____

3.311＝____＋____＋____＋____

7－6.1＝5.7＋4.2＝3.3＋3.12＝

85.5－14.1＝22.1＋21.5＝87.88－42.3＝

8.06＋3.15＋2.869.91－（4.7＋1.71）3.68＋8.8－3.33

7.32＝7＋0.3＋0.02

5.88＝____＋____＋____

2.09＝____＋____

7.661＝____＋____＋____＋____

3.1－2.5＝8＋1.1＝4.4＋3.32＝

78.5－32.2＝22.2＋11.5＝65.78－22.0＝

8.71－4.53＋0.319.14－（4.64＋1.1）8.16＋7.43＋3.09

9.13＝9＋0.1＋0.03

15.65＝____＋____＋____

2.04＝____＋____

4.637＝____＋____＋____＋____

3.4－2.1＝7＋1.8＝3.1＋3.21＝

88.6－42.3＝54.3＋14.2＝76.65－25.0＝

6.28－4.64＋8.457.21－（3.79－0.62）6.02＋9.68＋5.59

7.93＝7＋0.9＋0.03

6.24＝____＋____＋____

7.952＝____＋____＋____＋____

1.1－1＝2.8＋3.2＝1.3＋1.02＝

65.6－11.0＝53.0＋41.3＝66.95－34.2＝

5.14－2.22＋5.027.32－（3.66－0.42）2.15＋7.15－3.01

3.84＝3＋0.8＋0.04

15.48＝____＋____＋____

5.09＝____＋____

10.541＝____＋____＋____＋____

8.3－7.9＝2.4＋6.1＝5.2＋2.1＝

55.7－50.0＝21.3＋45.2＝76.68－55.0＝

8.36－3.51＋9.249.13－（4.23＋0.67）8.57＋5.56－4.34

2.97＝2＋0.9＋0.07

11.18＝____＋____＋____

10.04＝____＋____

2.982＝____＋____＋____＋____

2.7－1.2＝4.6＋4.2＝4.3＋4＝

85.9－32.4＝32.1＋32.2＝99.75－22.3＝

9.88－1.49＋0.939.14－（3.62＋0.7）3.57＋8.03＋5.17

8.87＝8＋0.8＋0.07

6.36＝____＋____＋____

5.04＝____＋____

1.625＝____＋____＋____＋____

6.7－4.9＝4.1＋1.4＝5.3＋2.12＝

56.6－13.1＝11.1＋11.0＝89.78－22.4＝

6.58－3.29＋5.888.47－（4.31－1.88）4.19＋9.35－2.23

6.53＝6＋0.5＋0.03

12.26＝____＋____＋____

10.03＝____＋____

4.827＝____＋____＋____＋____

7.5－2.5＝3.9＋2.7＝2＋2.1＝

65.9－34.3＝21.1＋23.2＝76.85－53.1＝

7.93＋3.16＋4.148.12－（3.8－0.75）5.12＋8.4＋5.34

3.21＝3＋0.2＋0.01

3.31＝____＋____＋____

6.02＝____＋____

2.766＝____＋____＋____＋____

7.4－7＝5.9＋1.2＝2.4＋2.43＝

65.5－12.1＝20.1＋12.0＝58.86－31.1＝

5.72－3.4＋4.278.29－（4.63－1.03）7.74＋5.31＋5.42

9.31＝9＋0.3＋0.01

6.46＝____＋____＋____

7.09＝____＋____

7.589＝____＋____＋____＋____

1.6－1.3＝3.5＋4.6＝5.1＋1.04＝

57.5－24.4＝43.1＋15.5＝95.87－20.0＝

9.6－4.08＋0.637.12－（4.11－0.77）9.37＋6.52＋5.93

5.16＝5＋0.1＋0.06

10.71＝____＋____＋____

9.03＝____＋____

1.362＝____＋____＋____＋____

8.9－3.5＝4.7＋2.7＝5.1＋2.21＝

59.6－53.0＝14.0＋10.5＝99.56－14.1＝

7.41＋2.88＋7.78.04－（4.19－0.45）4.47＋7.42－2.97

8.14＝8＋0.1＋0.04

15.26＝____＋____＋____

15.02＝____＋____

8.642＝____＋____＋____＋____

9.2－5.8＝6.8＋1.7＝4＋3.12＝

97.7－30.0＝24.1＋22.4＝55.97－20.4＝

8.7＋2.78＋9.58.75－（3.68＋0.72）4.44＋8.19＋2.73

9.18＝9＋0.1＋0.08

15.23＝____＋____＋____

3.853＝____＋____＋____＋____

1.6－1.4＝7.3＋2＝5.3＋3.12＝

56.6－14.4＝10.4＋20.2＝75.56－31.4＝

7.23－2.46＋9.578.61－（4.46＋0.17）9.24＋9.01－0.67

5.32＝5＋0.3＋0.02

5.95＝____＋____＋____

1.427＝____＋____＋____＋____

3－1.4＝2.3＋6＝3.1＋1.32＝

55.6－55.0＝51.0＋43.2＝67.65－54.1＝

5.61－3.75＋8.378.2－（4.58－1.59）1.31＋9.48＋2.63

6.44＝6＋0.4＋0.04

6.82＝____＋____＋____

1.475＝____＋____＋____＋____

9.2－2.1＝5＋3.8＝4.4＋4.41＝

97.9－43.3＝43.0＋30.4＝88.89－12.4＝

7.62－3.56＋5.799.86－（4.64－2）8.73＋5.66＋0.3

5.28＝5＋0.2＋0.08

9.55＝____＋____＋____

12.05＝____＋____

2.488＝____＋____＋____＋____

8.4－7.6＝3.2＋1.5＝2.4＋3.2＝

88.5－54.2＝33.0＋42.1＝67.79－52.4＝

8.74＋3.51＋9.948.73－（4.47－0.59）3.03＋8.2＋1.63

4.74＝4＋0.7＋0.04

3.27＝____＋____＋____

13.07＝____＋____

1.151＝____＋____＋____＋____

9－8.1＝3.6＋2.8＝2.2＋3.41＝

59.9－43.2＝10.0＋44.3＝68.76－12.0＝

8.96－2.52＋4.958.21－（4.43＋1.26）1.31＋6.72－3.7