四年级小数加减法口算练习600题

1、6.3-2.5 =7.05-5.075=8.82 + 4.56=9.85-8.21 =4.7+3.1 =4.7-3.8 =3.6+3.7 =1.7+6.9 =6.6-5.93=6.8-3.77 =7.5-2.68=6.5+6.81 =1.8+2.06=8.7+3.31 =8.11-5.2=9.61-7.7=7.56-2.6=9.906+ 8.73 =8.96-2.404=3.782+ 5.63=7.9-3.666=3.99+9.58=5.51 + 9.41 =6.36+5.28=4.74+7.79=5.1 + 1.2=8.6-5.4=4.4+5.4=7.2-1.2=7.8-5.5=7.1-6.

2、7=1.5-1.09=3+4.39=1.7+4.68=5.2-3.42=9.4+4.6=5.52-2.8=2.21 + 5.6=3.99-3.06 =7.85+7.501 =7.538+9.51 =3.94-1.54 =5.23+4.845=8.76-3.69=9.8-2.6=5.44+8.38 =9.49+6.44 =2.5+5.3=6.3-1.9=9.7+4.9=2.2 + 4.4=9.4-4.3=6.3-4.26=8.7+7.76=2.9+9.2=4.28-4.21 =5.26-2.5=1.27+3.5 =9.65-4.5=2.208+ 4.4 =6.339- 1.48 =5.331 +

3、 7.91 =6.49 + 4.97=5.68 + 3.216=1.28 + 4.5=9.34-1.49=5.29-5.09=7.92+9.92=5.86 + 5.69=5.7-3.2 =9.3-7.5 =2.5 + 3.7 =9.5-8.45=4.7-4.33=4.7+9.36=6.54-1 =5.6-4.42=3.36-1.77=5.67-5.6=4.49-1.6=9.75-8.01 =2.06+8.46=4.16+2.764=5.52-1.1 =5.81 + 5.09=6.09-4.164=8.21 + 9.22=7.53+4.83=6.91-6.16=3.12+2.09=8.44-1.

4、71 =8.74+4.89=9.52-7.99=3.59+ 8.35=5.9+ 8.9=7.65-6.87=7.84-2.06=9.14+5.26=7.77+5.55=2.34+1.06=8.94-1.07=1.28+3.47=9.21-5.67=4.83-4.2=4.73+7.51 =4.88-1.05=6-3.93=5.86-5.36 =9.61-2.16 =6.24-3.37=1.62+1.47=5.32+6.17=5.29-4.85 =7.84+6.77 =5.41-1.26=7.83-1.39 =8.4+2.36=9.49+6.44 =8.56+4.49 =6.43+5.24 =5.

5、27-4.59=8.49+2.82 =4.87+3.45=4.04 + 9.53=6.62+6.33=6.48-3.47=2.59 + 5.78=7.03-4.75=9.21-3.91 =3.3+1.27=7.15 + 9.04=5.15 + 2.01 =7.21+8.84=6.21+6.49=1.71+6.08=1.58 + 3.17=5.08-3.23=3.09 + 6.49=9.77-5.61 =7.8-6.95=5.6-4.241 =7.31 + 2.79=2.86-1.29 =3.24-1.11 =9.37+ 8.58=4.4+1.5=2.74-2.57=5.34 + 7.14=5.

6、31-4.98=1.73+ 1.05=7.26-6.61 =7.59+6.17=2.83-1.68=7.45+9.39=4.38-1.86=4.84+4.74=7.05-5.05=8.56+7.46=9.59-4.84=7.69-1.51 =3.87+ 1.71 =8.16-2.68=7+7.06=7.6-5.35=3.5-1.92=3.24+2.87=2.23+9.08=5.43+4.23=6.43+9.07=8.8+5.09=7.14-5.75=3.04+2.85=5.19+2.48=1.37+7.28=4.83-4.8=3.2+8.5=3.2+3.07=6.26-5.05=9.19+5.

7、04=9.67-2.33=5.58-2.7=7.44+4.54=6.92+9.91 =7.51-4.62=6.26-4.08=9.51 + 1.1 =8.33-1.9 =5.2+2.53=8.62-5.99=7.62+1.62=3.41-1.44 =7.05-4.55=1.69+9 =9.33-2.82 =6.62-6.06=4.83-3.18 =3.19+9.83 =9.05+1.64 =8.49-3 =2.22 + 8.52=4.72+5.45 =7.67-5.86=2.35 + 3.75=7.66-7.51 =9.16 + 2.69=9.89-1.99=8.84 + 5.49=6.66-

8、3.44=9.06-8.17=7.12 + 4.9=6.05-2.98=3.75-2.23=1.18 + 5.14=8.18-3.4=5.86-4.4=6.11+9.29=7.67-1.86=9.23-1.09=6.84+9.93=5.2+3.84=7.52-5.55=2.94-2.92=7.3-4.93=9.56+9.64=4.08+5.74=7.95-4.03=2.7+1.65=4.33-4.19=9.52-8.23=9.19-1.11 =8.99+9.4=6.04+4.37=6.56+2.89=7.12+1.45=8.01-4.57=9.61 + 9.53=4.84+2.32=1.77-

9、1.12=8.48-6.21 =6.84-3.98=9.06-3.25=9.05-2.84=5.15+3.76=4.1 3.57=8.95-5.13=9.79-1.37=7.17+7.96=5.47+3.9=5.55-2.29=5.83-1.34=9.67+2.36=4.27-2.56=9.24+2.1 =9.95-3.13 =5.26+7.49=7.81-6.27=9.42 + 4.85 =9.41-6.31 =4.7+3.25=9.02+9.8 =4.47+7.17=9.12-3.42 =8.34-3.36 =7.08-3.64 =2.46+5.84 =5.2+7.63=5.5+1.31

10、=6.21+5.3=7.52-6.45=9.98-1.25=6.47+7.42 =9.29-2.32=4.82 + 9.73=8.82 + 4.47=7.78+4.46=2.45-2.06=5.82 + 5.86=2.34 + 6.49=6.42 + 6.72=9.04-7.67=1.93-1.57=9.77-3.5 =9.21+6=4.74+2.41 =2.18+1.87=8.1-1.33=5.2-1.85=7.43 + 6.53=2.68-1.8=4.53+1.82=3.72-2.49=7.83 + 8.64=4.98-1.46=6.73-3.03=4.75-4.01 =5.9+7.76=

11、8.5-2.53=8.88+7.64=6.5+4.25=5.83-1.75=9.77+3.54=2.96+6.16=7.32+1.42=9.43-3.56=7.68-3.16=2.97+2.11 =3.7+3.83=7.14-1.53=2.44-1.13=6.43+9.65=7.86-7.16=7.32+1.04=4.33-4.19=9.31 + 8.58=3.16-1.03=6.85-4.39=2.97+1.46=5.21 -4.29=7.37+2.83=5.22-4.49=6.84-6.08=5.4+4.63=3.89-2.93=5.7-4.6=4.67+2 =7.13-6.62=6.83

12、-6.6 =6.41 -4.28 =5.61 -4.6 =9.82-1.59=8.96+5.4 =9.06-6.21 =2.18+2.76=2.57+8.11 =9.12-3.08 =1.07+9.79=5.79-5.74=3.01 + 6.96 =6.19+6.77 =3.07+3.75=4.86+1.48 =7.31-5.41 =3.74+1.88=6.77 + 7.19=1.31+2.62=3.91+4.1 =7.31+6.89=1.54 + 5.12=7.51 + 7.09=8.45-1.72=7.69-1.05=8.81-7.15=3.11 + 1.05=7.71-1.05=9.36

13、-5.66=5.35 + 9.13=1.58 + 2.5=6.79-1.03=9.91-5.74=5.42 + 6.51 =2.54+8.33=6.76+6.54=5.66-4.49=5.02+7.65=8.12+6.19=7.24-6.67=3.69-2.47=7.08+5.22=4.46+9.93=5.21-4.55=3.96-3.65=3.21+1.2=7.57- 5.97=2.62+9.29=8.27+ 9.29=4.19-2.08=4.31 + 9.35=9.48-4.63=9.87-6.15=6.81 -1.18=7.65-5.26=9.75-3.11 =6.12+6.15=6.8

14、2+3.37=5.81 -1.47=3.46-2.92=6.66+4.15=4.74+4.98=1.16+4.74=3.59+4.3=1.65+6.46=2.47+4.25=4.83+4.01 =7.44+6.69=8.81-5.76=4.8-4.32=7.35-4.47=3.82-3.72=7.02+2.18=5.04+5.76=4.57+4.54=8.2-7.56=7.66+4.2 =9.1-8.01 =7.19+1.36 =9.58-4.16 =9.36+2.17=5.13-4.87=7.17+1.94=7.11-1.84 =8.34-4.16 =9.37-5.7 =9.17-1.51

15、=8.81+2.12=2.68 + 6.94=7.46-2.52=8.79 + 7.12=6.76+4.79 =7.57-7.5 =2.98 + 3.6=9.74+6.63=1.62+6.86=7.78-5.28=7.04-3.52=9.82-1.88=7.4 + 7.22=7.53+3.08=1.38-1.05=6.52-3.35=5.88-1.04=6.6-1.81 =5.41+3.86=9.31 + 6.92=8.61 + 5.81 =7.31 + 4.24 =5.56 + 2.78=1.27+3.08=4.45+2.6=7.06+9.46=2.18-1.81 =2.46+4.54=7.

16、22-4.99=1.05+2.71 =7.67+8.89=6.66+1.64=6.94-1.31 =4.91-1.29=8.79+6.82=9.2+6.94=9.37- 7.88=3.78+6.38=5.63+6.43=8.86+6.97=9.03+3.42=7.21-2.27=8.91 + 1.32=3.81 + 6.08=7.4-3.33=7.24-5.81 =8.44+5.62=8.08+1.3=8.93+7=8.91 + 4.11 =8.95-8.15=7.43-4.43=8.7-4.99=6.76+7.85=1.1 + 2.83=3.35+6.08=6.98+1.65=2.67+2.

17、51 =9.81-9.26=7.97+4.76=9.99+8.35 =3.9+3.49=9.34-5.88 =7.77-2.19=9.83+6.01 =9.55-8.31 =9.78-1.66=8.3-4.41 =8.29+5.72=3.04+9.93 =4.45-2.75 =1.75+7.66 =5.91-5.13 =7.93-3.48 =7.51 + 7.65=3.35 + 6.65=8.52-8.47=5.29-2.79=5.98-4.53=5.77-3.68=7.19+1.36=3.54 + 2.8=9.28 + 5.82=6.44 + 9.02=9.75-4.88=2.2+1.15=2.62+3.29=4.27+1.14=8.7-5.21 =4.19-3.16=4.17-3.02=4.52+9.67=9.71-3.65=3.14-2.65 =8.88 + 7.59=6.38+7.37=4.75-2.51 =7.36+8.75 =1.79+7.12=1.13+8.84=9.94+4.62=1.35+4.94=1.12+2.72=1.68+2=1.64+8.93=5.12-1.76=5.3+4.74=6.42-4.29=8.95-4.7=9.19-1.06=3.69-3.03=4.59-1.6