四年级小数加减法口算练习题

1.5-0.5= 1-0.9=

2.3+0.6=

0.9+0.8= 1-0.3= 3.4-1.5= 1.9-0.9= 3.5-2.4=

0.36+0.64=

3.5+

4.2=

6-0.5= 2.7-0.4= 0.8+ 0.7= 4.5-3= 7.8-1.1= 1.5－0.5= 1－0.9= 2.3＋0.6=

0.9＋0.8= 1.9－0.9=

3.5 -2.4= 0.36＋0.64= 0.96－0.3= 8.65－6.31= 2.5+0.9= 1.2-0.5=

7.8+1.6=

0.39+0.15=

3-1.4=

4.7-2.8=

7.2-6.45=

15-0.48=

6.77-1.78=

3.45+5.75= 3.40+58.20= 49.80+49.20= 111.6-99= 7.8+21.02= 5.6-1.42= 12.5+0.9=

4.5-2.83= 3.75+2.25= 2.98+0.56= 12.53+4.67=

6.07+4.89=

5.64-1.78= 10.2-

6.45= 5-0.41= 0.3+1.5= 2.5+9.8=

7.6+1.3= 4.4+5.7= 2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 26.3+14.6=

6.9+3.4= 52.3+64.7= 12.75-5.3= 8.24+16.93= 0.75＋0.4= 20＋0.78=

4.8＋4.2=

5.7－3= 4.9－1.7= 1.34＋0.8=

2－0.75= 8.7＋0.03=

0.2－0.09=

8.5＋2.5=

2.4－1.4=

0.68＋0.42= 7.82－7.2= 2＋9.1= 0.48＋0.52= 8.1－5.1=

0.78－0.24= 0.8＋0.18= 0.89－0.25=

1－0.98=

0.9＋0.1= 1－0.8=

4.5－4=

5.6＋4= 10－4.4= 6＋

6.6= 9.5－2.7= 1－0.55=

3.7＋

4.8= 7＋3.3= 3．25＋0．75= 2.7＋3.9= 0．7＋0．9= 0.9＋1= 14．6－0．4= 10－0．1= 14＋0．78= 3＋2.7= 5－0．08= 1．64＋2．35= 1．1－1= 8．34－6．22=

1.3＋4.3=

7.2＋6.9= 9.3－8.8= 4.4＋15.99=

19.8－5.6= 96.3－56.2 = 79.2＋56.8=

1.9＋25.793= 88－69.21= 136.5－105= 73.4+5

2.1= 9

3.1-20.9= 63.1-11= 0.33+9.8= 7.8+6.9=

0.2+2.7= 5.6+4.4= 9.4+0.06=

0.7+0.4=

0.5－0.45=

10－0.1= 1.8－0.9= 12.6－1.2= 17+0.33=

1.01+0.6= 7－0.05= 9－0.26=

6.14+3.83=

7.93-1.64= 5.23-2.36=

3.44+3.36=

8.63-3.48=

1.16+4.77= 7.74-5.85= 9.35-4.74= 4.93+4.75= 8.17-5.26=

2.26-0.86= 6.55+4.68= 1.1+4.5= 1.9+

3.4= 3.45+

4.6= 4.45+4.5= 9.4-2.75= 7.3-1.26= 3.83+

5.55= 2.75+1.3= 7.6-2.15= 1.9+

6.2=

7.1-6.6= 6.8-2.8= 44.4+1.4= 1.7+9.66= 43.3+6.3=

55.5-1.9= 38.9-5.55=

64.41+8.67=

0.7＋0.9=

3.8＋0.6= 8.24+3.76=

4.1－3.8=

14＋0.78= 14.6-0.34= 1.3+8.56=

0.8-0.55= 1-0.03= 30.5+3.05= 0.8-0.45= 3.25＋0.75=

0.78+2.2=

5-0.08=

10-0.1=

10－7.64=

13.6＋8.46=

0.99＋1.1=

1.23+6.52=

5.32-0.93=

6.35-5.23=

1.23+5.69= 1.26+5.21=

0.96-0.23= 7.26-4.93= 2.16-0.23= 4.63+8.9=

9.28+7.32=

5.2-0.9= 2.65+9.32= 7.65-

6.23= 8.28+4.75= 9.23+5.45=

6.23-4.53=

8.52+4.65=

5.2+2.63=

4.62+8.95=

7.24+6.21=

3.8-2.3=

0.7＋0.9=

0.8＋0.6=

8.24＋3.76=

4.1－3.8=

14＋0.78=

14.6－0.34= 1.3＋8.56= 0.8－0.55= 10－0.1=

4－0.04= 1－0.03= 30.5＋3.05= 0.8－0.45= 0.78＋2.2= 5－0.08= 3.25＋0.75= 8.65－6.31= 10－7.64= 13.6＋8.46= 0.99＋1.1= 3.17+3.43= 6.82+15.55= 34.52-17.87= 12.23+4.57= 23.75+8.64= 17.83+9.5= 7.83－0.5= 3.45+8.7= 16.55+1.3= 8.54+5.96= 27.38-5.34= 2.62+4.66= 8.5+9.63= 4.76 - 1.12 = 1.45 + 2.7 = 4.31 + 21.76 =

9.46 + 18.28 = 42.39 - 20.92 = 21.85 + 37.08= 3.2+1.8=

0.9+0.6=

0.1－0.01=

1.2－0.12=

1－0.385=

3.2－ 2.3=

0.76－0.38=

15－7.3=

2.1+0.2=

0.3+0.7=

3.6+1.6=

7.5-0.5=

2.13-0.02=

3.51+0.2=

102+0.3= 1.12-1.02=

4.5-0.01=

1.9-0.4=