小数加减口算.docx

小数加减口算.docx

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小数加减口算

【从教多年的心血】

500道四年级下册小数加减

口算、竖式计算

题目以及相应答案

8.89-2.45

8.89-2.45

=

6.44

12-4.5

12-4.5

=

7.5

5.51＋14.84

5.51＋14.84

=

20.35

13.96＋66.89

13.96＋66.89

=

80.85

58.2-45.24

58.2-45.24

=

12.96

5.68＋6.7

5.68＋6.7

=

12.38

14.3-9.22

14.3-9.22

=

5.08

13-1.11

13-1.11

=

11.89

7.9＋8.29

7.9＋8.29

=

16.19

50.7＋59.96

50.7＋59.96

=

110.66

17.24-15.63

17.24-15.63

=

1.61

3.78＋7.78

3.78＋7.78

=

11.56

7.67-1.74

7.67-1.74

=

5.93

10-3.8

10-3.8

=

6.2

17.72＋3.08

17.72＋3.08

=

20.8

13.56＋60.68

13.56＋60.68

=

74.24

27.53-21.82

27.53-21.82

=

5.71

9.15＋5.89

9.15＋5.89

=

15.04

4.04-1.39

4.04-1.39

=

2.65

17-8.53

17-8.53

=

8.47

19.5＋10.02

19.5＋10.02

=

29.52

80.22＋70.37

80.22＋70.37

=

150.59

55.57-8.98

55.57-8.98

=

46.59

5.88＋5.21

5.88＋5.21

=

11.09

6.37-2.6

6.37-2.6

=

3.77

16-7.96

16-7.96

=

8.04

2.08＋11.11

2.08＋11.11

=

13.19

69.02＋63.14

69.02＋63.14

=

132.16

60.75-58.38

60.75-58.38

=

2.37

2.27＋7.76

2.27＋7.76

=

10.03

15.95-8.26

15.95-8.26

=

7.69

10-4.03

10-4.03

=

5.97

6.13＋17.57

6.13＋17.57

=

23.7

70.07＋71.45

70.07＋71.45

=

141.52

110.04-58.38

110.04-58.38

=

51.66

6.1＋7.07

6.1＋7.07

=

13.17

10.77-8.65

10.77-8.65

=

2.12

15-2.66

15-2.66

=

12.34

13.93＋10.67

13.93＋10.67

=

24.6

49.87＋75.28

49.87＋75.28

=

125.15

58.79-17.05

58.79-17.05

=

41.74

9.89＋3.69

9.89＋3.69

=

13.58

18-8.1

18-8.1

=

9.9

19-9.59

19-9.59

=

9.41

6.67＋3.04

6.67＋3.04

=

9.71

72.17＋7.06

72.17＋7.06

=

79.23

53.46-29.27

53.46-29.27

=

24.19

8.68＋1.02

8.68＋1.02

=

9.7

13.39-9.81

13.39-9.81

=

3.58

16-9.91

16-9.91

=

6.09

3.94＋16.26

3.94＋16.26

=

20.2

84.79＋33.9

84.79＋33.9

=

118.69

76.16-36.8

76.16-36.8

=

39.36

9.78＋6.05

9.78＋6.05

=

15.83

5.58-1.42

5.58-1.42

=

4.16

17-5.96

17-5.96

=

11.04

19.33＋12.37

19.33＋12.37

=

31.7

65.06＋8.84

65.06＋8.84

=

73.9

67.47-26.12

67.47-26.12

=

41.35

6.67＋9.75

6.67＋9.75

=

16.42

10.2-3.92

10.2-3.92

=

6.28

13-1.68

13-1.68

=

11.32

15.22＋11.22

15.22＋11.22

=

26.44

6.6＋85.15

6.6＋85.15

=

91.75

118.15-56.98

118.15-56.98

=

61.17

8.82＋8.74

8.82＋8.74

=

17.56

14.86-9.9

14.86-9.9

=

4.96

11-7.61

11-7.61

=

3.39

10.12＋15.15

10.12＋15.15

=

25.27

55.67＋58.25

55.67＋58.25

=

113.92

61.75-6.58

61.75-6.58

=

55.17

8.02＋8.33

8.02＋8.33

=

16.35

9.73-7.91

9.73-7.91

=

1.82

13-5.77

13-5.77

=

7.23

3.26＋6.92

3.26＋6.92

=

10.18

2.51＋89.29

2.51＋89.29

=

91.8

103.42-50.92

103.42-50.92

=

52.5

6.08＋4.61

6.08＋4.61

=

10.69

5.65-1.85

5.65-1.85

=

3.8

17-8.43

17-8.43

=

8.57

15.24＋2.84

15.24＋2.84

=

18.08

73.99＋16.68

73.99＋16.68

=

90.67

55.5-39.11

55.5-39.11

=

16.39

2.63＋4.23

2.63＋4.23

=

6.86

14.52-6.82

14.52-6.82

=

7.7

16-5.66

16-5.66

=

10.34

1.66＋18.13

1.66＋18.13

=

19.79

50.82＋20.23

50.82＋20.23

=

71.05

49.62-16.86

49.62-16.86

=

32.76

9.69＋9.21

9.69＋9.21

=

18.9

5.82-3.12

5.82-3.12

=

2.7

19-9.47

19-9.47

=

9.53

19.47＋8.18

19.47＋8.18

=

27.65

29.95＋39.87

29.95＋39.87

=

69.82

68.1-43.05

68.1-43.05

=

25.05

3.37＋5.48

3.37＋5.48

=

8.85

14.88-7.8

14.88-7.8

=

7.08

16-7.67

16-7.67

=

8.33

7.3＋4.57

7.3＋4.57

=

11.87

69.17＋11.42

69.17＋11.42

=

80.59

77.93-13.36

77.93-13.36

=

64.57

9.16＋1.43

9.16＋1.43

=

10.59

8.35-3.75

8.35-3.75

=

4.6

18-9.59

18-9.59

=

8.41

13.48＋12.85

13.48＋12.85

=

26.33

73.67＋23.15

73.67＋23.15

=

96.82

81.48-53.03

81.48-53.03

=

28.45

7.29＋9.1

7.29＋9.1

=

16.39

11.47-2.66

11.47-2.66

=

8.81

12-6.43

12-6.43

=

5.57

15.32＋8.26

15.32＋8.26

=

23.58

63.11＋54.27

63.11＋54.27

=

117.38

77.94-22.94

77.94-22.94

=

55

3.6＋1.82

3.6＋1.82

=

5.42

9.79-4.64

9.79-4.64

=

5.15

14-1.81

14-1.81

=

12.19

19.93＋19.33

19.93＋19.33

=

39.26

44.84＋58.47

44.84＋58.47

=

103.31

109.65-54.22

109.65-54.22

=

55.43

4.21＋8.65

4.21＋8.65

=

12.86

15.71-7.73

15.71-7.73

=

7.98

13-4.19

13-4.19

=

8.81

1.91＋18.47

1.91＋18.47

=

20.38

10.23＋26.43

10.23＋26.43

=

36.66

37.47-9.9

37.47-9.9

=

27.57

5.08＋7.87

5.08＋7.87

=

12.95

6.77-2.62

6.77-2.62

=

4.15

14-8.32

14-8.32

=

5.68

12.73＋14.55

12.73＋14.55

=

27.28

5.07＋58.23

5.07＋58.23

=

63.3

62.35-7.56

62.35-7.56

=

54.79

4.7＋2.78

4.7＋2.78

=

7.48

13.16-5.71

13.16-5.71

=

7.45

15-4.56

15-4.56

=

10.44

2.62＋8.76

2.62＋8.76

=

11.38

55.17＋21.05

55.17＋21.05

=

76.22

52.36-29.03

52.36-29.03

=

23.33

9.14＋3.4

9.14＋3.4

=

12.54

10.69-1.6

10.69-1.6

=

9.09

18-5.21

18-5.21

=

12.79

15.53＋17.6

15.53＋17.6

=

33.13

8.76＋37.05

8.76＋37.05

=

45.81

129.75-56

129.75-56

=

73.75

8.22＋5.35

8.22＋5.35

=

13.57

11.67-6.75

11.67-6.75

=

4.92

18-9.28

18-9.28

=

8.72

16.31＋11.09

16.31＋11.09

=

27.4

1.44＋39.61

1.44＋39.61

=

41.05

81.61-32.9

81.61-32.9

=

48.71

9.61＋3.24

9.61＋3.24

=

12.85

13.73-6.95

13.73-6.95

=

6.78

17-6.68

17-6.68

=

10.32

1.03＋7.78

1.03＋7.78

=

8.81

13.24＋38.55

13.24＋38.55

=

51.79

78.62-30.29

78.62-30.29

=

48.33

9.43＋8.34

9.43＋8.34

=

17.77

9.43-2.69

9.43-2.69

=

6.74

19-1.65

19-1.65

=

17.35

4.81＋17.29

4.81＋17.29

=

22.1

7.27＋71.36

7.27＋71.36

=

78.63

135.3-56.76

135.3-56.76

=

78.54

6＋1.22

6＋1.22

=

7.22

11.17-7.53

11.17-7.53

=

3.64

12-9.11

12-9.11

=

2.89

8＋10.45

8＋10.45

=

18.45

17.96＋78.15

17.96＋78.15

=

96.11

85.7-16.59

85.7-16.59

=

69.11

9.21＋5.35

9.21＋5.35

=

14.56

15.95-7.23

15.95-7.23

=

8.72

13-9.61

13-9.61

=

3.39

6.67＋6.85

6.67＋6.85

=

13.52

57.93＋80.75

57.93＋80.75

=

138.68

49.44-14.14

49.44-14.14

=

35.3

9.47＋7.49

9.47＋7.49

=

16.96

16.03-9.95

16.03-9.95

=

6.08

14-2.33

14-2.33

=

11.67

6.59＋15.32

6.59＋15.32

=

21.91

55.44＋24.13

55.44＋24.13

=

79.57

17.27-14.91

17.27-14.91

=

2.36

2.64＋4.76

2.64＋4.76

=

7.4

17.9-9.99

17.9-9.99

=

7.91

18-3.93

18-3.93

=

14.07

3.06＋19.92

3.06＋19.92

=

22.98

8.77＋80.48

8.77＋80.48

=

89.25

70.16-46.97

70.16-46.97

=

23.19

4.5＋6.95

4.5＋6.95

=

11.45

10.26-4.85

10.26-4.85

=

5.41

10-2.64

10-2.64

=

7.36

12.09＋2.69

12.09＋2.69

=

14.78

58.87＋40.07

58.87＋40.07

=

98.94

33.25-23.34

33.25-23.34

=

9.91

8.55＋2.12

8.55＋2.12

=

10.67

9.81-7.03

9.81-7.03

=

2.78

13-7.79

13-7.79

=

5.21

6.69＋10.92

6.69＋10.92

=

17.61

85.36＋29.88

85.36＋29.88

=

115.24

134.45-48.67

134.45-48.67

=

85.78

4.29＋1.4

4.29＋1.4

=

5.69

11.22-3.32

11.22-3.32

=

7.9

11-5.75

11-5.75

=

5.25

4.43＋5.14

4.43＋5.14

=

9.57

36.96＋46.05

36.96＋46.05

=

83.01

114.56-53.3

114.56-53.3

=

61.26

7.41＋2.13

7.41＋2.13

=

9.54

14.36-4.91

14.36-4.91

=

9.45

11-3.11

11-3.11

=

7.89

5.87＋13.62

5.87＋13.62

=

19.49

31.26＋39.63

31.26＋39.63

=

70.89

81.28-34.58

81.28-34.58

=

46.7

2.15＋6.62

2.15＋6.62

=

8.77

8.39-6.95

8.39-6.95

=

1.44

11-1.9

11-1.9

=

9.1

11.81＋7.2

11.81＋7.2

=

19.01

82.01＋26.18

82.01＋26.18

=

108.19

94.34-9.79

94.34-9.79

=

84.55

3.69＋2.12

3.69＋2.12

=

5.81

4.19-2.23

4.19-2.23

=

1.96

12-1.55

12-1.55

=

10.45

14.11＋2.21

14.11＋2.21

=

16.32

41.13＋46.29

41.13＋46.29

=

87.42

99.36-51.25

99.36-51.25

=

48.11

7.39＋7.89

7.39＋7.89

=

15.28

13.54-5.77

13.54-5.77

=

7.77

14-1.71

14-1.71

=

12.29

16.34＋4.77

16.34＋4.77

=

21.11

17.85＋3.57

17.85＋3.57

=

21.42

92.58-54.88

92.58-54.88

=

37.7

4.28＋8.33

4.28＋8.33

=

12.61

19.2-9.32

19.2-9.32

=

9.88

12-6.9

12-6.9

=

5.1

2＋19.43

2＋19.43

=

21.43

48.98＋48.55

48.98＋48.55

=

97.53

121.11-34.71

121.11-34.71

=

86.4

8.72＋2.71

8.72＋2.71

=

11.43

13.19-3.87

13.19-3.87

=

9.32

17-3.41

17-3.41

=

13.59

15＋17.06

15＋17.06

=

32.06

68.28＋75.5

68.28＋75.5

=

143.78

46.14-33.5

46.14-33.5

=

12.64

3.05＋6.81

3.05＋6.81

=

9.86

10.47-2.94

10.47-2.94

=

7.53

11-6.3

11-6.3

=

4.7

2.6＋10

2.6＋10

=

12.6

80.47＋77.14

80.47＋77.14

=

157.61

83.85-44.92

83.85-44.92

=

38.93

6.8＋5.19

6.8＋5.19

=

11.99

8.97-5.68

8.97-5.68

=

3.29

18-9.13

18-9.13

=

8.87

10.32＋10.8

10.32＋10.8

=

21.12

83.24＋76.58

83.24＋76.58

=

159.82

35.93-4.58

35.93-4.58

=

31.35

1.38＋3.66

1.38＋3.66

=

5.04

5.46-2.79

5.46-2.79

=

2.67

17-9.14

17-9.14

=

7.86

14.4＋14.73

14.4＋14.73

=

29.13

41.38＋11.25

41.38＋11.25

=

52.63

72.35-18.02

72.35-18.02

=

54.33

2.45＋4.72

2.45＋4.72

=

7.17

12.74-4.26

12.74-4.26

=

8.48

18-4.23

18-4.23

=

13.77

13.08＋5.99

13.08＋5.99

=

19.07

86.55＋6.97

86.55＋6.97

=

93.52

93.31-48.98

93.31-48.98

=

44.33

3.35＋6.03

3.35＋6.03

=

9.38

7.36-2.51

7.36-2.51

=

4.85

10-4.7

10-4.7

=

5.3

8.99＋12.83

8.99＋12.83

=

21.82

40.08＋35.72

40.08＋35.72

=

75.8

122.88-54.68

122.88-54.68

=

68.2

1.47＋5.16

1.47＋5.16

=

6.63

14.56-5.07

14.56-5.07

=

9.49

16-8.92

16-8.92

=

7.08

18.39＋3.09

18.39＋3.09

=

21.48

52.91＋6.29

52.91＋6.29

=

59.2

108.41-21.44

108.41-21.44

=

86.97

1.96＋5.55

1.96＋5.55

=

7.51

11.34-7.73

11.34-7.73

=

3.61

13-2.47

13-2.47

=

10.53

13.4＋14.56

13.4＋14.56

=

27.96

72.9＋16.96

72.9＋16.96

=

89.86

74.84-16.08

74.84-16.08

=

58.76

4.29＋8.79

4.29＋8.79

=

13.08

12.26-9.23

12.26-9.23

=

3.03

16-2.15

16-2.15

=

13.85

4.19＋9.96

4.19＋9.96

=

14.15

88.5＋80.55

88.5＋80.55

=

169.05

104.03-32.14

104.03-32.14

=

71.89

8.17＋4.98

8.17＋4.98

=

13.15

14.43-6.65

14.43-6.65

=

7.78

14-7.39

14-7.39

=

6.61

2.13＋17.87

2.13＋17.87

=

20

26.56＋60.07

26.56＋60.07

=

86.63

93.03-26.88

93.03-26.88

=

66.15

8.04＋8.08

8.04＋8.08

=

16.12

16.05-7.78

16.05-7.78

=

8.27

11-7.97

11-7.97

=

3.03

1.99＋11.04

1.99＋11.04

=

13.03

21.88＋26.71

21.88＋26.71

=

48.59

4.56-1

4.56-1

=

3.56

7.05＋7.05

7.05＋7.05

=

14.1

5.82-3.34

5.82-3.34

=

2.48

13-7.33

13-7.33

=

5.67

12.41＋9.51

12.41＋9.51

=

21.92

50.62＋26.67

50.62＋26.67

=

77.29

126.85-50.82

126.85-50.82

=

76.03

5.64＋8.2

5.64＋8.2

=

13.84

13.98-5.88

13.98-5.88

=

8.1

18-2.78

18-2.78

=

15.22

2.26＋15.17