四年級(jí)小數(shù)加減法口算練習(xí)題

1、1.5- 0.5=1- 0.9=2.3+0.6=0.9+0.8=1- 0.3=341.5=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

2、.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

3、=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=精選資料，歡迎下載3.7 + 4.8=7+ 3.3=3. 25+ 0. 75=2.

4、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-仁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 =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.

5、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=136.5 - 105=73.4+52.1 =93.1 -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

6、.23-2.36=3.44+3.36=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=8.63-3.48=精選資料，歡迎下載1.23+5.69=14+ 0.78=1.26+5.21 =14.6 - 0

7、.34=0.96-0.23=1.3 + 8.56=7.26-4.93=0.8 - 0.55=2.16-0.23=10-0.1 =4.63+8.9=4 0.04=9.28+7.32=1-0.03=5.2-0.9=30.5 + 3.05=2.65+9.32=0.8 - 0.45=0.78 + 2.2=7.65-6.23=5-0.08=8.28+4.75=3.25 + 0.75=9.23+5.45=8.65 - 6.31 =6.23-4.53=10-7.64=8.52+4.65=13.6 + 8.46=5.2+2.63=0.99 + 1.1 =4.62+8.95=3.17+3.43=7.24+6.2

8、1 =6.82+15.55=3.8-2.3=34.52-17.87=0.7 + 0.9=12.23+4.57=0.8 + 0.6=23.75+8.64=8.24 + 3.76=17.83+9.5=4.1 - 3.8=7.83 - 0.5=3.45+8.7=7.5-0.5=16.55+1.3=2.13-0.02=8.54+5.96=3.51+0.2=27.38-5.34=102+0.3=2.62+4.66=1.12-1.02=8.5+9.63=4.5-0.01 =4.76 - 1.12 =1.9-0.4=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.