四年級小數(shù)加減法口算練習題566

1.5-0.5=2.5+0.9=5-0.41= 0.2－0.09=

1-0.9=1.2-0.5=0.3+1.5=8.5＋2.5=

2.3+0.6= 7.8+1.6= 2.5+9.8=2.4－1.4=

0.9+0.8=0.39+0.15=7.6+1.3= 0.68＋0.42=

0.3=3-1.4=4.4+5.7=7.82－7.2=

3.4-1.5= 4.7-2.8= 2.3+7.7=2＋9.1=

1.9-0.9= 5.7+3.1= 0.48＋0.52=

7.2-6.45=

3.5-2.4= 7.69+2.31=8.1－5.1=15-0.48=

0.36+0.64= 9.16+2.64=0.78－0.24=

6.77-1.78=

3.5+4.2= 5.68+12.22= 0.8＋0.18=

3.45+5.75=

6-0.5= 16.8+16.5=0.89－0.25=

3.40+58.20=

2.7-0.4= 26.3+14.6=1－0.98=

49.80+49.20=

0.8+0.7= 6.9+3.4=0.9＋0.1=

111.6-99=

4.5-3= 52.3+64.7=1－0.8=

7.8+21.02=

7.8-1.1= 12.75-5.3=4.5－4=

5.6-1.42=

1.5－0.5= 8.24+16.93= 5.6＋4=

1－0.9=12.5+0.9=0.75＋0.4=10－4.4=

2.3＋0.6= 4.5-2.83=20＋0.78=6＋6.6=0.9＋0.8=3.75+2.25= 4.8＋4.2=9.5－2.7=

1.9－0.9=2.98+0.56=5.7－3=1－0.55=

3.5-2.4=12.53+4.67=4.9－1.7=3.7＋4.8=

0.36＋0.64=6.07+4.89= 1.34＋0.8=7＋3.3=

0.96－0.3=5.64-1.78=2－0.75=3．25＋0．75=

8.65－6.31= 8.7＋0.03=2.7＋3.9=

10.2-6.45=

0．7＋0．9=7.8+6.9= 6.55+4.68=14.6-0.34=

0.9＋1=0.2+2.7=1.1+4.5=1.3+8.56=

14．6－0．4=5.6+4.4=1.9+3.4=0.8-0.55=

10－0．1=9.4+0.06= 3.45+4.6=1-0.03=

14＋0．78=0.7+0.4=4.45+4.5=30.5+3.05=

3＋2.7=0.5－0.45=9.4-2.75=0.8-0.45=5－0．08=10－0.1=7.3-1.26=3.25＋0.75=

1．64＋2．35=1.8－0.9=3.83+5.55=0.78+2.2=

1．1－1=12.6－1.2= 2.75+1.3=5-0.08=8．34－6．22=17+0.33=7.6-2.15=10-0.1=

1.3＋4.3=1.01+0.6=1.9+6.2=10－7.64=

7.2＋6.9=7－0.05=7.1-6.6=13.6＋8.46=

9.3－8.8=9－0.26= 6.8-2.8=0.99＋1.1=

4.4＋15.99=6.14+3.83=44.4+1.4=1.23+6.52=

19.8－5.6=7.93-1.64=1.7+9.66=5.32-0.93=

96.3－56.2=5.23-2.36= 43.3+6.3= 6.35-5.23=

79.2＋56.8=3.44+3.36=55.5-1.9=1.23+5.69=

1.9＋25.793=8.63-3.48=38.9-5.55=1.26+5.21=

88－69.21=1.16+4.77=64.41+8.67=0.96-0.23=

136.5－105=7.74-5.85=0.7＋0.9=7.26-4.93=

73.4+52.1=9.35-4.74=3.8＋0.6=2.16-0.23=

93.1-20.9=4.93+4.75=8.24+3.76=4.63+8.9=

63.1-11=8.17-5.26=4.1－3.8=9.28+7.32=

0.33+9.8=2.26-0.86=14＋0.78=5.2-0.9=

2.65+9.32= 5－0.08=21.85+37.08=

7.65-6.23= 3.25＋0.75=3.2+1.8=

8.28+4.75=8.65－6.31=0.9+0.6=

9.23+5.45=10－7.64= 0.1－0.01=

6.23-4.53=13.6＋8.46=1.2－0.12=

8.52+4.65=0.99＋1.1=1－0.385=

5.2+2.63= 3.17+3.43= 3.2－2.3=

4.62+8.95=6.82+15.55=0.76－0.38=

7.24+6.21=34.52-17.87=15－7.3=

3.8-2.3= 12.23+4.57=2.1+0.2=

23.75+8.64=0.3+0.7=

0.7＋0.9=

17.83+9.5=3.6+1.6=

0.8＋0.6=

7.83－0.5=7.5-0.5=8.24＋3.76=

3.45+8.7= 2.13-0.02=

4.1－3.8=

16.55+1.3= 3.51+0.2=

14＋0.78=

8.54+5.96=102+0.3=

14.6－0.34=

27.38-5.34=1.12-1.02=

1.3＋8.56=

2.62+4.66=4.5-0.01=

0.8－0