四年级数学计算题小数加减运算习题与答案.docx

四年级数学计算题小数加减运算习题与答案.docx

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四年级数学计算题小数加减运算习题与答案

四年级数学计算题（小数加减运算）习题与答案

6.9+9.71=4.37+8.38=6.43+3.37=

9.61+8.15=9.84+0.54=7.99+7.53=

0.84+2.66=0.24+9.56=9.03+0.95=

3.9+6.36=8.52+3.78=2.27+3.89=

3.08+1.69=1.46+0.74=6.7+9.97=

3.07+3.48=4.31+8.33=9.65+5.04=

4.12-2.6=8.9-4.95=9.53-1.9=

7.98-1.6=6.19-3.37=6.77-1.35=

7.33-3.52=7.31-1.62=3.39-0.95=

8.33-7.29=2.99-0.17=8.38-2.85=

9.56-6.22=7.41-4.66=8.25-5.93=

2.43-0.56=9.82-1.08=9.01-4.93=

4.49+5.87+4.27=9.14+4.19+1=6.41+1.71+6.58=

8.05+7.35+8.06=9.22+2.91+8.79=9.38+8.95+2.83=

2.23+9.68+5.15=8.31+4.95+0.97=1.54+5.27+3.8=

4.76+5.16+7.67=3.42+9.16+5.54=1.79+1.18+2.82=

4.4+9.09+4.33=0.97+9.2+9.3=7.9+4.71+9.19=

3.95+3.81+0.73=3.25+8.25+2.64=8.1+2.97+1.86=

9.5+8.6-2.86=8.38+4.84-8.44=9.58+0.63-8.57=

6.25+4.6-6.1=9.73+6.53-7.32=5.21+3.62-4.9=

2.82+7.71-8.88=8.28+6.59-6.69=0.65+9.66-8.96=

2.27+5.1-4.5=1.51+2.48-2.97=7.26+6.71-8.88=

8.29+3.64-7.4=7.27+6.82-1.83=9.07+8.28-5.95=

7.17+5.79-8.29=4.65+3.07-4.42=6.76+6.54-0.52=

8.93-7.59+5.63=3.27-2.49+1.66=7.31-1.76+8.56=

8.58-0.31+0.95=5.27-0.35+7.03=7.7-4.69+7.95=

8.15-3.13+2.9=3.55-0.71+7.65=7.4-0.07+2.41=

2.85-0.19+5.93=6.52-0.71+5.97=7.68-1.69+4=

8.93-2.7+2=6.8-1.66+2.7=6.88-3.16+6.78=

7.17-3.32+5.45=9.4-4.16+8.39=5.94-1.35+4.08=

8.9-7.61-0.06=8.82-5.06-0.84=9.44-1.15-0.13=

8.72-1.14-3.87=5.78-2.11-0.6=9.22-7.09-1.57=

7.64-3.17-1.51=9.02-5.12-2.13=3.22-1.5-0.43=

9.5-2.75-5.3=9.88-0.95-6.16=8.91-7.06-0.29=

8.83-5.29-1.45=7.43-5-1.4=8.78-1.23-4.06=

5.78-4.7-0.35=7.6-0.69-0.41=8.17-0.07-3.39=

2.45+4.32+7.09+1.58=1.87+6.73+2.17+8.1=0.79+3.12+4.7+2.04=

9.36+0.23+3.68+4.71=0.55+7.99+9.98+2.06=6.57+1.75+3.88+6.34=

4.95+3.65+3.83+4.39=4.82+6.9+9.77+9.06=1.75+6.78+2.33+5.47=

1.66+2.84+9.65+1.32=4.43+5.72+5.75+3.57=4+0.21+6.27+9.72=

4.34+3.17+3.99+2.75=0.29+1.75+1.3+3.15=8.02+2.06+5.9+0.5=

2.37+3.48+4.81+9.08=7.14+6.82+3.11+9.64=0.7+7.31+6.47+9.31=

8.34+5.97+7.03-3.94=8.75+6.66+9.94-7.86=2.48+4.16+1.92-5.63=

1.45+1.04+1.3-3.43=4.75+3.66+6.86-0.03=7.29+8.36+8.75-7.39=

8.32+8.03+6.14-4.68=0.9+8.74+0.59-9.49=7.91+9.56+9.41-3.68=

8.72+5.29+5.36-5.78=0.18+1.67+6.89-8.36=1.53+1.2+9.54-0.69=

6.5+6.37+3.66-9.23=6.43+4.41+2.5-4.4=5.4+4.35+3.18-1.41=

2.43+3.12+4.09-7.68=5.49+1.65+4.49-6.79=9.55+6.24+5.96-1.04=

3.72+3.06-0.91+1.27=2.9+5.35-0.12+2.31=5.84+4.65-0.2+6.96=

4.43+6.37-1.5+9.61=8.86+2.47-3.39+8.85=6.74+8.32-8.05+0.64=

6.2+2.44-1.17+8.49=8.84+4.3-9.98+8.29=5.91+2.06-6.2+2.67=

6.26+2.54-7.89+2.15=2.47+4.26-2.77+0.25=6.62+6.95-1.6+4.98=

0.26+9.93-8.01+4.93=8.84+7.81-6.03+9.05=5.7+8.44-0.63+1.23=

5.21+5.84-5.24+2.65=6.19+7.62-0.37+6.47=0.5+3.9-0.31+4.51=

7.89+5.23-4.82-5.21=7.27+8.5-2.88-6.04=9.28+5.29-4.64-2.36=

8.25+2.76-4.53-0.85=7.68+8.17-2.8-5.89=8.63+1.09-0.37-7.79=

9.48+0.18-1.29-2.66=7.55+1.42-1.99-2.12=7.1+9.91-5.95-0.81=

7.26+8.95-4.33-7.78=8.71+2.92-2.13-5.61=7.15+3.89-6.76-3.9=

9.32+6.54-3.33-3.99=3.83+7.29-2.06-5.81=5.64+9.22-1.43-3.49=

7.46+5.47-4.17-5.68=7.64+1.95-3.16-4.7=9.36+2.56-3.64-7.42=

1.61-0.1+6.41+5.92=8.75-4.85+0.15+0.42=9.88-6.29+2.07+4.83=

9.78-5.87+7.03+9=8.51-6.98+8.93+3.86=9.22-4.25+0.47+5.31=

9.45-8.22+6.87+1.79=6.72-1.44+8.01+4.05=8.6-1.13+1.54+5.81=

7.05-0.62+2.18+0.24=6.63-2.82+9.77+1.61=7.77-4.77+7.92+9.33=

8.51-0.26+0.16+8.25=9.37-5.46+5.42+0.35=6.56-1.59+1.18+4.81=

6.11-0.37+1.4+0.79=8.63-4.77+4.76+4.37=8.44-0.71+2.2+2.54=

4.6-2.78+5.11-3.48=9.71-6.68+8.24-8.21=6.4-4.9+8.45-0.72=

7.95-5.46+6.39-8.3=8.62-3.5+5.7-7.58=8.11-1.14+3.91-9.59=

7.77-4.67+3.54-0.83=4.71-1.85+9.77-7.76=7.63-0.72+2.9-6.73=

7.75-0.26+7.97-7.6=5.83-0.37+4.69-0.96=8.46-3.97+7.67-7.35=

7.92-4.82+5.08-6.49=8.89-8.06+7.93-0.53=7.28-6.45+4.96-4.09=

8.08-1.35+2.76-6.78=5.24-3.04+7.51-8.33=9.51-2.5+8.09-6.67=

7.8-3.34-4.11+5.62=6.48-0.06-1.65+3.08=7.76-2.41-2.4+8.55=

2.91-2-0.26+4.43=6.76-0.61-4.69+9.56=7.24-3.25-0.5+3.23=

9.61-1.26-1.99+5.97=5.36-2.02-0.94+0.82=6.84-1.99-4.07+1.11=

8.32-0.59-3.73+2.71=8.91-1.63-7.16+7.96=8.25-1.62-1.43+3.51=

9.71-4.16-1.96+0.27=8.47-0.91-3.95+8.08=6.77-3.5-2.23+9.47=

8.21-0.52-0.84+9.18=7.85-2.54-1.17+2.25=8.52-6.35-1.81+5.61=

8.06-0.9-2.6-2.34=8.69-2.72-3.51-0.93=7.38-2.03-2.53-2.7=

8.48-2.24-0.85-1.87=9.88-1.89-1.61-5.74=9.95-1.84-1.2-2.45=

9.97-0.38-4.6-3.22=7.7-1.64-0.46-3.41=9.8-3.27-0.95-5.38=

8.98-2.45-4.2-0.94=8.92-1.27-0.6-2.41=9.63-1.37-1.13-0.31=

9.6-1.41-1.65-5.02=8.35-0.64-0.99-6.21=8.95-0.16-4.61-2.33=

8.64-4.19-0.78-2.23=6.39-2.7-2.71-0.14=8.24-2.44-2.21-3.07=

参考答案：

6.9+9.71=16.614.37+8.38=12.756.43+3.37=9.8

9.61+8.15=17.769.84+0.54=10.387.99+7.53=15.52

0.84+2.66=3.50.24+9.56=9.89.03+0.95=9.98

3.9+6.36=10.268.52+3.78=12.32.27+3.89=6.16

3.08+1.69=4.771.46+0.74=2.26.7+9.97=16.67

3.07+3.48=6.554.31+8.33=12.649.65+5.04=14.69

4.12-2.6=1.528.9-4.95=3.959.53-1.9=7.63

7.98-1.6=6.386.19-3.37=2.826.77-1.35=5.42

7.33-3.52=3.817.31-1.62=5.693.39-0.95=2.44

8.33-7.29=1.042.99-0.17=2.828.38-2.85=5.53

9.56-6.22=3.347.41-4.66=2.758.25-5.93=2.32

2.43-0.56=1.879.82-1.08=8.749.01-4.93=4.08

4.49+5.87+4.27=14.639.14+4.19+1=14.336.41+1.71+6.58=14.7

8.05+7.35+8.06=23.469.22+2.91+8.79=20.929.38+8.95+2.83=21.16

2.23+9.68+5.15=17.068.31+4.95+0.97=14.231.54+5.27+3.8=10.61

4.76+5.16+7.67=17.593.42+9.16+5.54=18.121.79+1.18+2.82=5.79

4.4+9.09+4.33=17.820.97+9.2+9.3=19.477.9+4.71+9.19=21.8

3.95+3.81+0.73=8.493.25+8.25+2.64=14.148.1+2.97+1.86=12.93

9.5+8.6-2.86=15.248.38+4.84-8.44=4.789.58+0.63-8.57=1.64

6.25+4.6-6.1=4.759.73+6.53-7.32=8.945.21+3.62-4.9=3.93

2.82+7.71-8.88=1.658.28+6.59-6.69=8.180.65+9.66-8.96=1.35

2.27+5.1-4.5=2.871.51+2.48-2.97=1.027.26+6.71-8.88=5.09

8.29+3.64-7.4=4.537.27+6.82-1.83=12.269.07+8.28-5.95=11.4

7.17+5.79-8.29=4.674.65+3.07-4.42=3.36.76+6.54-0.52=12.78

8.93-7.59+5.63=6.973.27-2.49+1.66=2.447.31-1.76+8.56=14.11

8.58-0.31+0.95=9.225.27-0.35+7.03=11.957.7-4.69+7.95=10.96

8.15-3.13+2.9=7.923.55-0.71+7.65=10.497.4-0.07+2.41=9.74

2.85-0.19+5.93=8.596.52-0.71+5.97=11.787.68-1.69+4=9.99

8.93-2.7+2=8.236.8-1.66+2.7=7.846.88-3.16+6.78=10.5

7.17-3.32+5.45=9.39.4-4.16+8.39=13.635.94-1.35+4.08=8.67

8.9-7.61-0.06=1.238.82-5.06-0.84=2.929.44-1.15-0.13=8.16

8.72-1.14-3.87=3.715.78-2.11-0.6=3.079.22-7.09-1.57=0.56

7.64-3.17-1.51=2.969.02-5.12-2.13=1.773.22-1.5-0.43=1.29

9.5-2.75-5.3=1.459.88-0.95-6.16=2.778.91-7.06-0.29=1.56

8.83-5.29-1.45=2.097.43-5-1.4=1.038.78-1.23-4.06=3.49

5.78-4.7-0.35=0.737.6-0.69-0.41=6.58.17-0.07-3.39=4.71

2.45+4.32+7.09+1.58=15.441.87+6.73+2.17+8.1=18.870.79+3.12+4.7+2.04=10.65

9.36+0.23+3.68+4.71=17.980.55+7.99+9.98+2.06=20.586.57+1.75+3.88+6.34=18.54

4.95+3.65+3.83+4.39=16.824.82+6.9+9.77+9.06=30.551.75+6.78+2.33+5.47=16.33

1.66+2.84+9.65+1.32=15.474.43+5.72+5.75+3.57=19.474+0.21+6.27+9.72=20.2

4.34+3.17+3.99+2.75=14.250.29+1.75+1.3+3.15=6.498.02+2.06+5.9+0.5=16.48

2.37+3.48+4.81+9.08=19.747.14+6.82+3.11+9.64=26.710.7+7.31+6.47+9.31=23.79

8.34+5.97+7.03-3.94=17.48.75+6.66+9.94-7.86=17.492.48+4.16+1.92-5.63=2.93

1.45+1.04+1.3-3.43=0.364.75+3.66+6.86-0.03=15.247.29+8.36+8.75-7.39=17.01

8.32+8.03+6.14-4.68=17.810.9+8.74+0.59-9.49=0.747.91+9.56+9.41-3.68=23.2

8.72+5.29+5.36-5.78=13.590.18+1.67+6.89-8.36=0.381.53+1.2+9.54-0.69=11.58

6.5+6.37+3.66-9.23=7.36.43+4.41+2.5-4.4=8.945.4+4.35+3.18-1.41=11.52

2.43+3.12+4.09-7.68=1.965.49+1.65+4.49-6.79=4.849.55+6.24+5.96-1.04=20.71

3.72+3.06-0.91+1.27=7.142.9+5.35-0.12+2.31=10.445.84+4.65-0.2+6.96=17.25

4.43+6.37-1.5+9.61=18.918.86+2.47-3.39+8.85=16.796.74+8.32-8.05+0.64=7.65

6.2+2.44-1.17+8.49=15.968.84+4.3-9.98+8.29=11.455.91+2.06-6.2+2.67=4.44

6.26+2.54-7.89+2.15=3.062.47+4.26-2.77+0.25=4.216.62+6.95-1.6+4.98=16.95

0.26+9.93-8.01+4.93=7.118.84+7.81-6.03+9.05=19.675.7+8.44-0.63+1.23=14.74

5.21+5.84-5.24+2.65=8.466.19+7.62-0.37+6.47=19.910.5+3.9-0.31+4.51=8.6

7.89+5.23-4.82-5.21=3.097.27+8.5-2.88-6.04=6.859.28+5.29-4.64-2.36=7.57

8.25+2.76-4.53-0.85=5.637.68+8.17-2.8-5.89=7.168.63+1.09-0.37-7.79=1.56

9.48+0.18-1.29-2.66=5.717.55+1.42-1.99-2.12=4.867.1+9.91-5.95-0.81=10.25

7.26+8.95-4.33-7.78=4.18.71+2.92-2.13-5.61=3.897.15+3.89-6.76-3.9=0.38

9.32+6.54-3.33-3.99=8.543.83+7.29-2.06-5.81=3.255.64+9.22-1.43-3.49=9.94

7.46+5.47-4.17-5.68=3.087.64+1.95-3.16-4.7=1.739.36+2.56-3.64-7.42=0.86

1.61-0.1+6.41+5.92=13.848.75-4.85+0.15+0.42=4.479.88-6.29+2.07+4.83=10.49

9.78-5.87+7.03+9=19.948.51-6.98+8.93+3.86=14.329.22-4.25+0.47+5.31=10.75

9.45-8.22+6.87+1.79=9.896.72-1.44+8.01+4.05=17.348.6-1.13+1.54+5.81=14.82

7.05-0.62+2.18+0.24=8.856.63-2.82+9.77+1.61=15.197.77-4.77+7.92+9.33=20.25

8.51-0.26+0.16+8.25=16.669.37-5.46+5.42+0.35=9.686.56-1.59+1.18+4.81=10.96

6.11-0.37+1.4+0.79=7.938.63-4.77+4.76+4.37=12.998.44-0.71+2.2+2.54=12.47

4.6-2.78+5.11-3.48=3.459.71-6.68+8.24-8.21=3.066.4-4.9+8.45-0.72=9.23

7.95-5.46+6.39-8.3=0.588.62-3.5+5.7-7.58=3.248.11-1.14+3.91-9.59=1.29

7.77-4.67+3.54-0.83=5.814.71-1.85+9.77-7.76=4.877.63-0.72+2.9-6.73=3.08

7.75-0.26+7.97-7.6=7.865.83-0.37+4.69-0.96=9.198.46-3.97+7.67-7.35=4.81

7.92-4.82+5.08-6.49=1.698.89-8.06+7.93-0.53=8.237.28-6.45+4.96-4.09=1.7

8.08-1.35+2.76-6.78=2.715.24-3.04+7.51-8.33=1.389.51-2.5+8.09-6.67=8.43

7.8-3.34-4.11+5.62=5.976.48-0.06-1.65+3.08=7.857.76-2.41-2.4+8.55=11.5

2.91-2-0.26+4.43=5.086.76-0.61-4.69+9.56=11.027.24-3.25-0.5+3.23=6.72

9.61-1.26-1.99+5.97=12.335.36-2.02-0.94+0.82=3.226.84-1.99-4.07+1.11=1.89

8.32-0.59-3.73+2.71=6.718.91-1.63-7.16+7.96=8.088.25-1.62-1.43+3.51=8.71

9.71-4.16-1.96+0.27=3.868.47-0.91-3.95+8.08=11.696.77-3.5-2.23+9.47=10.51

8.21-0.52-0.84+9.18=16.037.85-2.54-1.17+2.25=6.398.52-6.35-1.81+5.61=5.97

8.06-0.9-2.6-2.34=2.228.69-2.72-3.51-0.93=1.537.38-2.03-2.53-2.7=0.12

8.48-2.24-0.85-1.87=3.529.88-1.89-1.61-5.74=0.649.95-1.84-1.2-2.45=4.46

9.97-0.38-4.6-3.22=1.777.7-1.64-0.46-3.41=2.199.8-3.27-0.95-5.38=0.2

8.