四年级数学计算题小数加减运算习题与答案.docx

1、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=

2、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

3、=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

4、= 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+5.4

5、5= 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

6、.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

7、+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

8、+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+2.0

9、6-6.2+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+

10、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=

11、 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+

12、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

13、-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

14、.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= 7.7-1.6

15、4-0.46-3.41= 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=16.61 4.37+8.38=12.75 6.43+3.37=9.89.61+8.15=17.76 9.84+0.54=10.38 7.9

16、9+7.53=15.520.84+2.66=3.5 0.24+9.56=9.8 9.03+0.95=9.983.9+6.36=10.26 8.52+3.78=12.3 2.27+3.89=6.163.08+1.69=4.77 1.46+0.74=2.2 6.7+9.97=16.673.07+3.48=6.55 4.31+8.33=12.64 9.65+5.04=14.694.12-2.6=1.52 8.9-4.95=3.95 9.53-1.9=7.637.98-1.6=6.38 6.19-3.37=2.82 6.77-1.35=5.427.33-3.52=3.81 7.31-1.62=5.69

17、 3.39-0.95=2.448.33-7.29=1.04 2.99-0.17=2.82 8.38-2.85=5.539.56-6.22=3.34 7.41-4.66=2.75 8.25-5.93=2.322.43-0.56=1.87 9.82-1.08=8.74 9.01-4.93=4.084.49+5.87+4.27=14.63 9.14+4.19+1=14.33 6.41+1.71+6.58=14.78.05+7.35+8.06=23.46 9.22+2.91+8.79=20.92 9.38+8.95+2.83=21.162.23+9.68+5.15=17.06 8.31+4.95+0.

18、97=14.23 1.54+5.27+3.8=10.614.76+5.16+7.67=17.59 3.42+9.16+5.54=18.12 1.79+1.18+2.82=5.794.4+9.09+4.33=17.82 0.97+9.2+9.3=19.47 7.9+4.71+9.19=21.83.95+3.81+0.73=8.49 3.25+8.25+2.64=14.14 8.1+2.97+1.86=12.939.5+8.6-2.86=15.24 8.38+4.84-8.44=4.78 9.58+0.63-8.57=1.646.25+4.6-6.1=4.75 9.73+6.53-7.32=8.9

19、4 5.21+3.62-4.9=3.932.82+7.71-8.88=1.65 8.28+6.59-6.69=8.18 0.65+9.66-8.96=1.352.27+5.1-4.5=2.87 1.51+2.48-2.97=1.02 7.26+6.71-8.88=5.098.29+3.64-7.4=4.53 7.27+6.82-1.83=12.26 9.07+8.28-5.95=11.47.17+5.79-8.29=4.67 4.65+3.07-4.42=3.3 6.76+6.54-0.52=12.788.93-7.59+5.63=6.97 3.27-2.49+1.66=2.44 7.31-1

20、.76+8.56=14.118.58-0.31+0.95=9.22 5.27-0.35+7.03=11.95 7.7-4.69+7.95=10.968.15-3.13+2.9=7.92 3.55-0.71+7.65=10.49 7.4-0.07+2.41=9.742.85-0.19+5.93=8.59 6.52-0.71+5.97=11.78 7.68-1.69+4=9.998.93-2.7+2=8.23 6.8-1.66+2.7=7.84 6.88-3.16+6.78=10.57.17-3.32+5.45=9.3 9.4-4.16+8.39=13.63 5.94-1.35+4.08=8.67

21、8.9-7.61-0.06=1.23 8.82-5.06-0.84=2.92 9.44-1.15-0.13=8.168.72-1.14-3.87=3.71 5.78-2.11-0.6=3.07 9.22-7.09-1.57=0.567.64-3.17-1.51=2.96 9.02-5.12-2.13=1.77 3.22-1.5-0.43=1.299.5-2.75-5.3=1.45 9.88-0.95-6.16=2.77 8.91-7.06-0.29=1.568.83-5.29-1.45=2.09 7.43-5-1.4=1.03 8.78-1.23-4.06=3.495.78-4.7-0.35=

22、0.73 7.6-0.69-0.41=6.5 8.17-0.07-3.39=4.712.45+4.32+7.09+1.58=15.44 1.87+6.73+2.17+8.1=18.87 0.79+3.12+4.7+2.04=10.659.36+0.23+3.68+4.71=17.98 0.55+7.99+9.98+2.06=20.58 6.57+1.75+3.88+6.34=18.544.95+3.65+3.83+4.39=16.82 4.82+6.9+9.77+9.06=30.55 1.75+6.78+2.33+5.47=16.331.66+2.84+9.65+1.32=15.47 4.43

23、+5.72+5.75+3.57=19.47 4+0.21+6.27+9.72=20.24.34+3.17+3.99+2.75=14.25 0.29+1.75+1.3+3.15=6.49 8.02+2.06+5.9+0.5=16.482.37+3.48+4.81+9.08=19.74 7.14+6.82+3.11+9.64=26.71 0.7+7.31+6.47+9.31=23.798.34+5.97+7.03-3.94=17.4 8.75+6.66+9.94-7.86=17.49 2.48+4.16+1.92-5.63=2.931.45+1.04+1.3-3.43=0.36 4.75+3.66

24、+6.86-0.03=15.24 7.29+8.36+8.75-7.39=17.018.32+8.03+6.14-4.68=17.81 0.9+8.74+0.59-9.49=0.74 7.91+9.56+9.41-3.68=23.28.72+5.29+5.36-5.78=13.59 0.18+1.67+6.89-8.36=0.38 1.53+1.2+9.54-0.69=11.586.5+6.37+3.66-9.23=7.3 6.43+4.41+2.5-4.4=8.94 5.4+4.35+3.18-1.41=11.522.43+3.12+4.09-7.68=1.96 5.49+1.65+4.49

25、-6.79=4.84 9.55+6.24+5.96-1.04=20.713.72+3.06-0.91+1.27=7.14 2.9+5.35-0.12+2.31=10.44 5.84+4.65-0.2+6.96=17.254.43+6.37-1.5+9.61=18.91 8.86+2.47-3.39+8.85=16.79 6.74+8.32-8.05+0.64=7.656.2+2.44-1.17+8.49=15.96 8.84+4.3-9.98+8.29=11.45 5.91+2.06-6.2+2.67=4.446.26+2.54-7.89+2.15=3.06 2.47+4.26-2.77+0.

26、25=4.21 6.62+6.95-1.6+4.98=16.950.26+9.93-8.01+4.93=7.11 8.84+7.81-6.03+9.05=19.67 5.7+8.44-0.63+1.23=14.745.21+5.84-5.24+2.65=8.46 6.19+7.62-0.37+6.47=19.91 0.5+3.9-0.31+4.51=8.67.89+5.23-4.82-5.21=3.09 7.27+8.5-2.88-6.04=6.85 9.28+5.29-4.64-2.36=7.578.25+2.76-4.53-0.85=5.63 7.68+8.17-2.8-5.89=7.16

27、 8.63+1.09-0.37-7.79=1.569.48+0.18-1.29-2.66=5.71 7.55+1.42-1.99-2.12=4.86 7.1+9.91-5.95-0.81=10.257.26+8.95-4.33-7.78=4.1 8.71+2.92-2.13-5.61=3.89 7.15+3.89-6.76-3.9=0.389.32+6.54-3.33-3.99=8.54 3.83+7.29-2.06-5.81=3.25 5.64+9.22-1.43-3.49=9.947.46+5.47-4.17-5.68=3.08 7.64+1.95-3.16-4.7=1.73 9.36+2

28、.56-3.64-7.42=0.861.61-0.1+6.41+5.92=13.84 8.75-4.85+0.15+0.42=4.47 9.88-6.29+2.07+4.83=10.499.78-5.87+7.03+9=19.94 8.51-6.98+8.93+3.86=14.32 9.22-4.25+0.47+5.31=10.759.45-8.22+6.87+1.79=9.89 6.72-1.44+8.01+4.05=17.34 8.6-1.13+1.54+5.81=14.827.05-0.62+2.18+0.24=8.85 6.63-2.82+9.77+1.61=15.19 7.77-4.

29、77+7.92+9.33=20.258.51-0.26+0.16+8.25=16.66 9.37-5.46+5.42+0.35=9.68 6.56-1.59+1.18+4.81=10.966.11-0.37+1.4+0.79=7.93 8.63-4.77+4.76+4.37=12.99 8.44-0.71+2.2+2.54=12.474.6-2.78+5.11-3.48=3.45 9.71-6.68+8.24-8.21=3.06 6.4-4.9+8.45-0.72=9.237.95-5.46+6.39-8.3=0.58 8.62-3.5+5.7-7.58=3.24 8.11-1.14+3.91

30、-9.59=1.297.77-4.67+3.54-0.83=5.81 4.71-1.85+9.77-7.76=4.87 7.63-0.72+2.9-6.73=3.087.75-0.26+7.97-7.6=7.86 5.83-0.37+4.69-0.96=9.19 8.46-3.97+7.67-7.35=4.817.92-4.82+5.08-6.49=1.69 8.89-8.06+7.93-0.53=8.23 7.28-6.45+4.96-4.09=1.78.08-1.35+2.76-6.78=2.71 5.24-3.04+7.51-8.33=1.38 9.51-2.5+8.09-6.67=8.

31、437.8-3.34-4.11+5.62=5.97 6.48-0.06-1.65+3.08=7.85 7.76-2.41-2.4+8.55=11.52.91-2-0.26+4.43=5.08 6.76-0.61-4.69+9.56=11.02 7.24-3.25-0.5+3.23=6.729.61-1.26-1.99+5.97=12.33 5.36-2.02-0.94+0.82=3.22 6.84-1.99-4.07+1.11=1.898.32-0.59-3.73+2.71=6.71 8.91-1.63-7.16+7.96=8.08 8.25-1.62-1.43+3.51=8.719.71-4

32、.16-1.96+0.27=3.86 8.47-0.91-3.95+8.08=11.69 6.77-3.5-2.23+9.47=10.518.21-0.52-0.84+9.18=16.03 7.85-2.54-1.17+2.25=6.39 8.52-6.35-1.81+5.61=5.978.06-0.9-2.6-2.34=2.22 8.69-2.72-3.51-0.93=1.53 7.38-2.03-2.53-2.7=0.128.48-2.24-0.85-1.87=3.52 9.88-1.89-1.61-5.74=0.64 9.95-1.84-1.2-2.45=4.469.97-0.38-4.6-3.22=1.77 7.7-1.64-0.46-3.41=2.19 9.8-3.27-0.95-5.38=0.28.