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

6.84+2.92=1.42+1.08=1.63+8.37=

0.4+7.28=5.57+6.79=8.24+0.65=

1.65+3.15=7.76+7.25=0.83+5.89=

6.06+9.86=0.79+3.83=3.68+5.22=

9.44+3.58=5.2+3.02=2.07+5.76=

1.73+8.82=9.81+8.41=3.92+3.12=

7.73-7.31=6.59-4.6=7.35-6.73=

9.78-4.35=7.81-6.3=9.24-8.57=

8.16-1.67=3.87-3.54=9.18-5.93=

4.93-2.22=6.76-3.36=9.56-4.85=

7.79-5.59=8.35-4.13=3.3-0.27=

4.28-3.56=5.67-4.32=4.12-4.02=

9.79+1.04+0.25=1.6+5.93+8.03=6.77+0.02+3.78=

3.17+8.43+1.64=0.47+3.83+6.87=3.06+9.76+3.35=

3.03+2.6+1.35=3.43+4+4.08=7.08+8.81+4.91=

6.99+5.79+1.08=1.14+5.47+5.42=4.65+9.97+2.14=

4.05+2.43+3.8=8.68+7.18+7.36=8.33+1.81+8.81=

3.8+1.4+1.58=8.31+4.75+6.46=9.96+3.22+1.47=

5.59+8.18-0.62=7.56+3.61-5.45=6.27+2.91-3.1=

6.15+0.91-1.59=5.98+8.98-7.92=5.37+0.63-4.9=

6.73+7.65-4.28=9.43+6.75-9.23=4.01+7.43-6.47=

7.75+5-4.36=0.85+5.69-1.11=3.67+4.09-3.24=

4.71+3.74-4.32=4.57+6.01-4.16=9.31+4.17-5.34=

6.99+9.48-4.63=3.31+9.71-1.65=1.14+2.32-0.43=

6.38-1.92+3.03=8.29-4.17+8.73=3.28-1.77+2.14=

4.34-1.99+4.93=4.49-3.27+3.93=7.51-6.19+9.13=

6.66-4.43+2.24=0.26-0.02+1.18=7.21-2.05+2.25=

1.16-0.72+5.25=6.83-2.96+0.99=4.22-2.01+7.08=

9.92-6.24+5.09=5.75-4.56+8.52=6.68-0.45+7.47=

7.06-0.81+4.99=9.57-1.76+6.33=8.67-4.61+9.47=

8.14-1.86-6.1=9.94-3.5-0.82=9.51-0.37-4.29=

9.65-3.29-3.44=4.96-3.35-1.09=6.71-1.84-1.28=

7.77-3.2-2.1=6.85-1.93-4.32=9.99-1.2-8.35=

7.61-5.36-0.57=7.47-1.28-4.8=3.64-0.41-3.11=

6.8-4.74-1.25=5.98-2.74-0.67=7.05-1.09-0.84=

9.19-3.68-1.51=3.99-2.46-0.42=2.39-0.35-1.45=

3.61+0.18+5.73+9.13=2.59+7.36+0.3+7.27=0.9+7+7.16+6.43=

2.19+6.58+9.34+8.68=2.12+3.08+8.56+4.7=7.55+6.31+2.39+4.99=

8.48+8.45+8.52+4.54=4.07+6.78+8.22+8.87=8.35+7.92+7.06+5.36=

3.49+4.62+2.75+5.58=9.57+9.85+4.04+3.59=1.71+9.46+4.03+9.7=

3.49+1.03+4.07+1.9=6.27+6.37+1.55+4.58=0.1+4.97+6.03+0.36=

9.96+7.75+3.52+0.99=7.06+4.27+7.47+2.7=8.87+1.54+9.22+4.97=

7.33+9.18+7.13-3.66=6.3+4.24+5.63-6.74=2.63+8.14+1.02-5.58=

5.96+0.65+9.8-5.23=2.91+7.47+9.9-5.17=0.75+3.77+1.78-5.38=

4.06+0.85+9.11-3.78=5.58+1.86+4.25-7.8=8.76+0.93+3.06-6.89=

5.6+1.05+8.63-2.76=7.78+8.53+0.62-1.27=3.1+5.42+9.11-3.12=

1.78+6.98+8.93-0.49=9.65+8.18+8.87-3.34=5.77+1.76+6.41-2.25=

1.92+0.52+5.45-4.06=1.46+8.27+7.65-3.27=1.99+7.06+4.35-4.34=

4.36+2.94-6.17+9.99=6.53+9.41-2.7+6.08=6.13+5.07-2.54+6.1=

2.51+4.16-3.02+7.62=2.37+6.35-2+7.87=8.59+5.11-3.37+6.14=

4.45+1.45-2.12+1.87=8.53+0.48-0.65+6.25=2.69+4.62-2.98+1.86=

0.33+6.95-4.27+4.53=1.53+6.68-6.09+6.64=5.65+4.16-1.5+5.11=

6.71+9.19-0.72+8.77=9.72+4.85-0.58+7.82=8.78+8.68-5.5+1.96=

8.37+4.85-8+5.04=8.89+6.51-4.18+4.43=3.1+2.13-4.11+7.12=

9.32+9.37-2.94-7.38=3.81+6.36-2.59-3.46=8.35+9.01-5.42-0.72=

8.65+8.99-8-0.1=5.19+2.15-1.12-0.05=3.83+9.23-5.16-2.13=

8.55+0.1-5.72-1.28=8.8+6.34-7.73-3.44=6.07+9.38-2.85-5.68=

6.34+8.83-5.66-1.61=6.63+2.06-0.62-2.93=6.89+6.72-2.96-3.47=

7.09+1.63-1.79-2.79=5.5+9.33-8.12-2.03=6.58+9.47-0.98-3.9=

8.43+8.87-8.66-0.96=9.2+8.4-3.42-7.25=5.3+4.83-0.17-2.9=

5.98-0.12+1.67+2.75=9.75-3.62+6.65+4.65=7.95-2.27+0.56+7.96=

3.17-0.12+8.14+3.66=6.49-1.88+0.44+8.96=8.96-8.12+5.76+7.37=

9.3-5.18+4.38+5.99=7.97-4.99+2.97+6.09=7.86-3.31+8.01+0.44=

8.66-6.78+1.95+0.23=9.28-3.67+4.76+6.32=4.13-2.96+2.84+5.09=

6.73-3.34+5.71+9.87=7.94-5.69+2.06+2.12=9.48-4.89+5.87+9.84=

6.88-6.72+8.79+1.93=5.86-4.61+1.6+0.48=2.62-0.06+9.32+7.65=

3.63-2.28+4.72-5.57=3.08-0.88+6.73-6.58=8.27-1.39+4.75-2.8=

9.99-6.48+6.43-2.17=9.77-2.49+9.25-3.84=8.53-3.91+4.68-3.27=

5.55-2.18+3.5-4.4=8.35-4.34+4.16-3.34=9.35-7.57+5.62-1.93=

4.59-2.98+7.75-4.01=6.96-0.15+1.5-5.63=5.65-0.88+5.59-2.24=

8.2-4.27+7.64-7.77=9.92-3.99+2.05-6.87=5.61-0.41+8.99-1.83=

9.39-1.9+8.56-3.46=9.54-6.31+2.54-5.63=7.58-0.1+9.14-1.72=

7.34-2.55-3.05+2.77=9.29-3.22-1.01+4.13=5.87-0.74-2.91+3.72=

9.2-2.6-2.43+2.5=7.76-5.37-1.62+8.08=8.79-6.87-1.64+5.71=

7.5-3.24-0.52+8.43=7.88-5.38-2.07+5.33=4.96-1.33-3.52+4.22=

8.65-1.22-1.19+9.69=5.06-3.51-1.27+7.45=6.58-4.87-0.33+6.16=

8.57-1.68-2.71+9.95=7.4-3.79-1.87+2.1=4.07-1.03-2.44+3.1=

9.06-5.31-1.61+3.5=9.2-1.99-0.17+4.37=3.88-0.18-2.49+7.85=

6.79-1.49-1.59-1.93=7.9-1.62-4.84-1.32=8.81-0.23-4.33-3.77=

9.47-1.85-5.78-1.53=8.78-2.25-1.21-2.6=8.77-3.53-1.57-2.04=

9.57-0.53-6.89-0.11=6.53-2.2-0.9-0.87=9.53-1.91-5.47-0.31=

9.65-0.69-0.17-5.65=7.11-0.79-1.41-2.43=9.7-0.62-8.36-0.47=

9.7-0.32-1.96-2.14=7.5-1.59-4.57-1.18=7.63-0.76-2.55-1.98=

9.13-0.95-4.04-3.06=9.24-0.76-6.32-1.21=7.93-2.44-3.3-0.18=

参考答案：

6.84+2.92=9.761.42+1.08=2.51.63+8.37=10

0.4+7.28=7.685.57+6.79=12.368.24+0.65=8.89

1.65+3.15=4.87.76+7.25=15.010.83+5.89=6.72

6.06+9.86=15.920.79+3.83=4.623.68+5.22=8.9

9.44+3.58=13.025.2+3.02=8.222.07+5.76=7.83

1.73+8.82=10.559.81+8.41=18.223.92+3.12=7.04

7.73-7.31=0.426.59-4.6=1.997.35-6.73=0.62

9.78-4.35=5.437.81-6.3=1.519.24-8.57=0.67

8.16-1.67=6.493.87-3.54=0.339.18-5.93=3.25

4.93-2.22=2.716.76-3.36=3.49.56-4.85=4.71

7.79-5.59=2.28.35-4.13=4.223.3-0.27=3.03

4.28-3.56=0.725.67-4.32=1.354.12-4.02=0.1

9.79+1.04+0.25=11.081.6+5.93+8.03=15.566.77+0.02+3.78=10.57

3.17+8.43+1.64=13.240.47+3.83+6.87=11.173.06+9.76+3.35=16.17

3.03+2.6+1.35=6.983.43+4+4.08=11.517.08+8.81+4.91=20.8

6.99+5.79+1.08=13.861.14+5.47+5.42=12.034.65+9.97+2.14=16.76

4.05+2.43+3.8=10.288.68+7.18+7.36=23.228.33+1.81+8.81=18.95

3.8+1.4+1.58=6.788.31+4.75+6.46=19.529.96+3.22+1.47=14.65

5.59+8.18-0.62=13.157.56+3.61-5.45=5.726.27+2.91-3.1=6.08

6.15+0.91-1.59=5.475.98+8.98-7.92=7.045.37+0.63-4.9=1.1

6.73+7.65-4.28=10.19.43+6.75-9.23=6.954.01+7.43-6.47=4.97

7.75+5-4.36=8.390.85+5.69-1.11=5.433.67+4.09-3.24=4.52

4.71+3.74-4.32=4.134.57+6.01-4.16=6.429.31+4.17-5.34=8.14

6.99+9.48-4.63=11.843.31+9.71-1.65=11.371.14+2.32-0.43=3.03

6.38-1.92+3.03=7.498.29-4.17+8.73=12.853.28-1.77+2.14=3.65

4.34-1.99+4.93=7.284.49-3.27+3.93=5.157.51-6.19+9.13=10.45

6.66-4.43+2.24=4.470.26-0.02+1.18=1.427.21-2.05+2.25=7.41

1.16-0.72+5.25=5.696.83-2.96+0.99=4.864.22-2.01+7.08=9.29

9.92-6.24+5.09=8.775.75-4.56+8.52=9.716.68-0.45+7.47=13.7

7.06-0.81+4.99=11.249.57-1.76+6.33=14.148.67-4.61+9.47=13.53

8.14-1.86-6.1=0.189.94-3.5-0.82=5.629.51-0.37-4.29=4.85

9.65-3.29-3.44=2.924.96-3.35-1.09=0.526.71-1.84-1.28=3.59

7.77-3.2-2.1=2.476.85-1.93-4.32=0.69.99-1.2-8.35=0.44

7.61-5.36-0.57=1.687.47-1.28-4.8=1.393.64-0.41-3.11=0.12

6.8-4.74-1.25=0.815.98-2.74-0.67=2.577.05-1.09-0.84=5.12

9.19-3.68-1.51=43.99-2.46-0.42=1.112.39-0.35-1.45=0.59

3.61+0.18+5.73+9.13=18.652.59+7.36+0.3+7.27=17.520.9+7+7.16+6.43=21.49

2.19+6.58+9.34+8.68=26.792.12+3.08+8.56+4.7=18.467.55+6.31+2.39+4.99=21.24

8.48+8.45+8.52+4.54=29.994.07+6.78+8.22+8.87=27.948.35+7.92+7.06+5.36=28.69

3.49+4.62+2.75+5.58=16.449.57+9.85+4.04+3.59=27.051.71+9.46+4.03+9.7=24.9

3.49+1.03+4.07+1.9=10.496.27+6.37+1.55+4.58=18.770.1+4.97+6.03+0.36=11.46

9.96+7.75+3.52+0.99=22.227.06+4.27+7.47+2.7=21.58.87+1.54+9.22+4.97=24.6

7.33+9.18+7.13-3.66=19.986.3+4.24+5.63-6.74=9.432.63+8.14+1.02-5.58=6.21

5.96+0.65+9.8-5.23=11.182.91+7.47+9.9-5.17=15.110.75+3.77+1.78-5.38=0.92

4.06+0.85+9.11-3.78=10.245.58+1.86+4.25-7.8=3.898.76+0.93+3.06-6.89=5.86

5.6+1.05+8.63-2.76=12.527.78+8.53+0.62-1.27=15.663.1+5.42+9.11-3.12=14.51

1.78+6.98+8.93-0.49=17.29.65+8.18+8.87-3.34=23.365.77+1.76+6.41-2.25=11.69

1.92+0.52+5.45-4.06=3.831.46+8.27+7.65-3.27=14.111.99+7.06+4.35-4.34=9.06

4.36+2.94-6.17+9.99=11.126.53+9.41-2.7+6.08=19.326.13+5.07-2.54+6.1=14.76

2.51+4.16-3.02+7.62=11.272.37+6.35-2+7.87=14.598.59+5.11-3.37+6.14=16.47

4.45+1.45-2.12+1.87=5.658.53+0.48-0.65+6.25=14.612.69+4.62-2.98+1.86=6.19

0.33+6.95-4.27+4.53=7.541.53+6.68-6.09+6.64=8.765.65+4.16-1.5+5.11=13.42

6.71+9.19-0.72+8.77=23.959.72+4.85-0.58+7.82=21.818.78+8.68-5.5+1.96=13.92

8.37+4.85-8+5.04=10.268.89+6.51-4.18+4.43=15.653.1+2.13-4.11+7.12=8.24

9.32+9.37-2.94-7.38=8.373.81+6.36-2.59-3.46=4.128.35+9.01-5.42-0.72=11.22

8.65+8.99-8-0.1=9.545.19+2.15-1.12-0.05=6.173.83+9.23-5.16-2.13=5.77

8.55+0.1-5.72-1.28=1.658.8+6.34-7.73-3.44=3.976.07+9.38-2.85-5.68=6.92

6.34+8.83-5.66-1.61=7.96.63+2.06-0.62-2.93=5.146.89+6.72-2.96-3.47=7.18

7.09+1.63-1.79-2.79=4.145.5+9.33-8.12-2.03=4.686.58+9.47-0.98-3.9=11.17

8.43+8.87-8.66-0.96=7.689.2+8.4-3.42-7.25=6.935.3+4.83-0.17-2.9=7.06

5.98-0.12+1.67+2.75=10.289.75-3.62+6.65+4.65=17.437.95-2.27+0.56+7.96=14.2

3.17-0.12+8.14+3.66=14.856.49-1.88+0.44+8.96=14.018.96-8.12+5.76+7.37=13.97

9.3-5.18+4.38+5.99=14.497.97-4.99+2.97+6.09=12.047.86-3.31+8.01+0.44=13

8.66-6.78+1.95+0.23=4.069.28-3.67+4.76+6.32=16.694.13-2.96+2.84+5.09=9.1

6.73-3.34+5.71+9.87=18.977.94-5.69+2.06+2.12=6.439.48-4.89+5.87+9.84=20.3

6.88-6.72+8.79+1.93=10.885.86-4.61+1.6+0.48=3.332.62-0.06+9.32+7.65=19.53

3.63-2.28+4.72-5.57=0.53.08-0.88+6.73-6.58=2.358.27-1.39+4.75-2.8=8.83

9.99-6.48+6.43-2.17=7.779.77-2.49+9.25-3.84=12.698.53-3.91+4.68-3.27=6.03

5.55-2.18+3.5-4.4=2.478.35-4.34+4.16-3.34=4.839.35-7.57+5.62-1.93=5.47

4.59-2.98+7.75-4.01=5.356.96-0.15+1.5-5.63=2.685.65-0.88+5.59-2.24=8.12

8.2-4.27+7.64-7.77=3.89.92-3.99+2.05-6.87=1.115.61-0.41+8.99-1.83=12.36

9.39-1.9+8.56-3.46=12.599.54-6.31+2.54-5.63=0.147.58-0.1+9.14-1.72=14.9

7.34-2.55-3.05+2.77=4.519.29-3.22-1.01+4.13=9.195.87-0.74-2.91+3.72=5.94

9.2-2.6-2.43+2.5=6.677.76-5.37-1.62+8.08=8.858.79-6.87-1.64+5.71=5.99

7.5-3.24-0.52+8.43=12.177.88-5.38-2.07+5.33=5.764.96-1.33-3.52+4.22=4.33

8.65-1.22-1.19+9.69=15.935.06-3.51-1.27+7.45=7.736.58-4.87-0.33+6.16=7.54

8.57-1.68-2.71+9.95=14.137.4-3.79-1.87+2.1=3.844.07-1.03-2.44+3.1=3.7

9.06-5.31-1.61+3.5=5.649.2-1.99-0.17+4.37=11.413.88-0.18-2.49+7.85=9.06

6.79-1.49-1.59-1.93=1.787.9-1.62-4.84-1.32=0.128.81-0.23-4.33-3.77=0.48

9.47-1.85-5.78-1.53=0.318.78-2.25-1.21-2.6=2.728.77-3.53-1.57-2.04=1.63

9.57-0.53-6.89-0.11=2.046.53-2.2-