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6.84+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=8.16-1.6

2、7= 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+2.1

3、4=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+6.0

4、1-4.16= 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+

5、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

6、-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.

7、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

8、+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+

9、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+

10、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= 9.7

11、5-3.62+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+

12、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

13、.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.

14、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

15、-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=9.76 1.42+1.08=2.5 1.63+8.37=100.4+7.28=7.68

16、5.57+6.79=12.36 8.24+0.65=8.891.65+3.15=4.8 7.76+7.25=15.01 0.83+5.89=6.726.06+9.86=15.92 0.79+3.83=4.62 3.68+5.22=8.99.44+3.58=13.02 5.2+3.02=8.22 2.07+5.76=7.831.73+8.82=10.55 9.81+8.41=18.22 3.92+3.12=7.047.73-7.31=0.42 6.59-4.6=1.99 7.35-6.73=0.629.78-4.35=5.43 7.81-6.3=1.51 9.24-8.57=0.678.16-1

17、.67=6.49 3.87-3.54=0.33 9.18-5.93=3.254.93-2.22=2.71 6.76-3.36=3.4 9.56-4.85=4.717.79-5.59=2.2 8.35-4.13=4.22 3.3-0.27=3.034.28-3.56=0.72 5.67-4.32=1.35 4.12-4.02=0.19.79+1.04+0.25=11.08 1.6+5.93+8.03=15.56 6.77+0.02+3.78=10.573.17+8.43+1.64=13.24 0.47+3.83+6.87=11.17 3.06+9.76+3.35=16.173.03+2.6+1.

18、35=6.98 3.43+4+4.08=11.51 7.08+8.81+4.91=20.86.99+5.79+1.08=13.86 1.14+5.47+5.42=12.03 4.65+9.97+2.14=16.764.05+2.43+3.8=10.28 8.68+7.18+7.36=23.22 8.33+1.81+8.81=18.953.8+1.4+1.58=6.78 8.31+4.75+6.46=19.52 9.96+3.22+1.47=14.655.59+8.18-0.62=13.15 7.56+3.61-5.45=5.72 6.27+2.91-3.1=6.086.15+0.91-1.59

19、=5.47 5.98+8.98-7.92=7.04 5.37+0.63-4.9=1.16.73+7.65-4.28=10.1 9.43+6.75-9.23=6.95 4.01+7.43-6.47=4.977.75+5-4.36=8.39 0.85+5.69-1.11=5.43 3.67+4.09-3.24=4.524.71+3.74-4.32=4.13 4.57+6.01-4.16=6.42 9.31+4.17-5.34=8.146.99+9.48-4.63=11.84 3.31+9.71-1.65=11.37 1.14+2.32-0.43=3.036.38-1.92+3.03=7.49 8.

20、29-4.17+8.73=12.85 3.28-1.77+2.14=3.654.34-1.99+4.93=7.28 4.49-3.27+3.93=5.15 7.51-6.19+9.13=10.456.66-4.43+2.24=4.47 0.26-0.02+1.18=1.42 7.21-2.05+2.25=7.411.16-0.72+5.25=5.69 6.83-2.96+0.99=4.86 4.22-2.01+7.08=9.299.92-6.24+5.09=8.77 5.75-4.56+8.52=9.71 6.68-0.45+7.47=13.77.06-0.81+4.99=11.24 9.57

21、-1.76+6.33=14.14 8.67-4.61+9.47=13.538.14-1.86-6.1=0.18 9.94-3.5-0.82=5.62 9.51-0.37-4.29=4.859.65-3.29-3.44=2.92 4.96-3.35-1.09=0.52 6.71-1.84-1.28=3.597.77-3.2-2.1=2.47 6.85-1.93-4.32=0.6 9.99-1.2-8.35=0.447.61-5.36-0.57=1.68 7.47-1.28-4.8=1.39 3.64-0.41-3.11=0.126.8-4.74-1.25=0.81 5.98-2.74-0.67=

22、2.57 7.05-1.09-0.84=5.129.19-3.68-1.51=4 3.99-2.46-0.42=1.11 2.39-0.35-1.45=0.593.61+0.18+5.73+9.13=18.65 2.59+7.36+0.3+7.27=17.52 0.9+7+7.16+6.43=21.492.19+6.58+9.34+8.68=26.79 2.12+3.08+8.56+4.7=18.46 7.55+6.31+2.39+4.99=21.248.48+8.45+8.52+4.54=29.99 4.07+6.78+8.22+8.87=27.94 8.35+7.92+7.06+5.36=

23、28.693.49+4.62+2.75+5.58=16.44 9.57+9.85+4.04+3.59=27.05 1.71+9.46+4.03+9.7=24.93.49+1.03+4.07+1.9=10.49 6.27+6.37+1.55+4.58=18.77 0.1+4.97+6.03+0.36=11.469.96+7.75+3.52+0.99=22.22 7.06+4.27+7.47+2.7=21.5 8.87+1.54+9.22+4.97=24.67.33+9.18+7.13-3.66=19.98 6.3+4.24+5.63-6.74=9.43 2.63+8.14+1.02-5.58=6

24、.215.96+0.65+9.8-5.23=11.18 2.91+7.47+9.9-5.17=15.11 0.75+3.77+1.78-5.38=0.924.06+0.85+9.11-3.78=10.24 5.58+1.86+4.25-7.8=3.89 8.76+0.93+3.06-6.89=5.865.6+1.05+8.63-2.76=12.52 7.78+8.53+0.62-1.27=15.66 3.1+5.42+9.11-3.12=14.511.78+6.98+8.93-0.49=17.2 9.65+8.18+8.87-3.34=23.36 5.77+1.76+6.41-2.25=11.

25、691.92+0.52+5.45-4.06=3.83 1.46+8.27+7.65-3.27=14.11 1.99+7.06+4.35-4.34=9.064.36+2.94-6.17+9.99=11.12 6.53+9.41-2.7+6.08=19.32 6.13+5.07-2.54+6.1=14.762.51+4.16-3.02+7.62=11.27 2.37+6.35-2+7.87=14.59 8.59+5.11-3.37+6.14=16.474.45+1.45-2.12+1.87=5.65 8.53+0.48-0.65+6.25=14.61 2.69+4.62-2.98+1.86=6.1

26、90.33+6.95-4.27+4.53=7.54 1.53+6.68-6.09+6.64=8.76 5.65+4.16-1.5+5.11=13.426.71+9.19-0.72+8.77=23.95 9.72+4.85-0.58+7.82=21.81 8.78+8.68-5.5+1.96=13.928.37+4.85-8+5.04=10.26 8.89+6.51-4.18+4.43=15.65 3.1+2.13-4.11+7.12=8.249.32+9.37-2.94-7.38=8.37 3.81+6.36-2.59-3.46=4.12 8.35+9.01-5.42-0.72=11.228.

27、65+8.99-8-0.1=9.54 5.19+2.15-1.12-0.05=6.17 3.83+9.23-5.16-2.13=5.778.55+0.1-5.72-1.28=1.65 8.8+6.34-7.73-3.44=3.97 6.07+9.38-2.85-5.68=6.926.34+8.83-5.66-1.61=7.9 6.63+2.06-0.62-2.93=5.14 6.89+6.72-2.96-3.47=7.187.09+1.63-1.79-2.79=4.14 5.5+9.33-8.12-2.03=4.68 6.58+9.47-0.98-3.9=11.178.43+8.87-8.66

28、-0.96=7.68 9.2+8.4-3.42-7.25=6.93 5.3+4.83-0.17-2.9=7.065.98-0.12+1.67+2.75=10.28 9.75-3.62+6.65+4.65=17.43 7.95-2.27+0.56+7.96=14.23.17-0.12+8.14+3.66=14.85 6.49-1.88+0.44+8.96=14.01 8.96-8.12+5.76+7.37=13.979.3-5.18+4.38+5.99=14.49 7.97-4.99+2.97+6.09=12.04 7.86-3.31+8.01+0.44=138.66-6.78+1.95+0.2

29、3=4.06 9.28-3.67+4.76+6.32=16.69 4.13-2.96+2.84+5.09=9.16.73-3.34+5.71+9.87=18.97 7.94-5.69+2.06+2.12=6.43 9.48-4.89+5.87+9.84=20.36.88-6.72+8.79+1.93=10.88 5.86-4.61+1.6+0.48=3.33 2.62-0.06+9.32+7.65=19.533.63-2.28+4.72-5.57=0.5 3.08-0.88+6.73-6.58=2.35 8.27-1.39+4.75-2.8=8.839.99-6.48+6.43-2.17=7.

30、77 9.77-2.49+9.25-3.84=12.69 8.53-3.91+4.68-3.27=6.035.55-2.18+3.5-4.4=2.47 8.35-4.34+4.16-3.34=4.83 9.35-7.57+5.62-1.93=5.474.59-2.98+7.75-4.01=5.35 6.96-0.15+1.5-5.63=2.68 5.65-0.88+5.59-2.24=8.128.2-4.27+7.64-7.77=3.8 9.92-3.99+2.05-6.87=1.11 5.61-0.41+8.99-1.83=12.369.39-1.9+8.56-3.46=12.59 9.54

31、-6.31+2.54-5.63=0.14 7.58-0.1+9.14-1.72=14.97.34-2.55-3.05+2.77=4.51 9.29-3.22-1.01+4.13=9.19 5.87-0.74-2.91+3.72=5.949.2-2.6-2.43+2.5=6.67 7.76-5.37-1.62+8.08=8.85 8.79-6.87-1.64+5.71=5.997.5-3.24-0.52+8.43=12.17 7.88-5.38-2.07+5.33=5.76 4.96-1.33-3.52+4.22=4.338.65-1.22-1.19+9.69=15.93 5.06-3.51-1

32、.27+7.45=7.73 6.58-4.87-0.33+6.16=7.548.57-1.68-2.71+9.95=14.13 7.4-3.79-1.87+2.1=3.84 4.07-1.03-2.44+3.1=3.79.06-5.31-1.61+3.5=5.64 9.2-1.99-0.17+4.37=11.41 3.88-0.18-2.49+7.85=9.066.79-1.49-1.59-1.93=1.78 7.9-1.62-4.84-1.32=0.12 8.81-0.23-4.33-3.77=0.489.47-1.85-5.78-1.53=0.31 8.78-2.25-1.21-2.6=2.72 8.77-3.53-1.57-2.04=1.639.57-0.53-6.89-0.11=2.04 6.53-2.2-