四年级小数加减法口算练习题

1.5-0.5=1- 0.9=2. 30.6=0. 90.8=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=3.4555.75=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=0.3.5=2. 59.8=7. 61.3=4.5.7=2.3.7=5.7.3.1=7. 692.31=9. 16.64=5. 68.12.22=16.816.5=26.3.6=6.9.4=52.3 64.7=12.75-5.3=8.24 16.93=0.75 0.4=20.78=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=29.1=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=10-4.4=6.6=9.5-2.7=1- 0.55=3.7 4.8=73.3=3.25 0.75=2.7 3.9=0.70 0.4=10-0.1=14 0.78=32.7=5- 0.08=1.64 2.35=1.1-1=8.34-6.22=1.34.3=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 25.25136.5-105=73.452.1=93.1-20.9=63.1-11=0. 339.8=7.8.9=0.2.7=5.6.4=9. 40.06=0.7 0.4=0.5-0.45=10-0.1=1.8-0.9=12.6-1.2=17.33=1. 010.6=7- 0.05=9- 0.26=6.14 3.83=7.93-1.64=5.23-2.36=3.443.36=8. 63-3.48=1. 164.77=7. 74-5.85=9. 35-4.74=4. 934.75=8. 17-5.26=2. 26-0.86=6. 554.68=1.1.4.5=1. 93.4=3. 45.6=4. 454.5=9.4-2. 75=7 3=7.6-2.15=1. 96.2=7.1-6.6=6.8-2.8=44.4.4=1. 79.66=43.3.3=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=1.38.56=0.8-0. 55=1-0. 03=30.53.05=0.8-0. 45=3. 250. 75=0.78 2.2=5-0.08=10-0.1=10-7.64=13.6 8.46=0.99 1.1=1.236.52=5. 32-0.93=6. 35-5.23=1. 235.69=1. 265.21=0. 96-0.23=7. 26-4.93=2. 16-0.23=4. 638.9=9.28 7.32=5.2-0.9=2.65 9.32=7.65-6.23=8. 28.75=9. 235.45=6.23-4.53=8. 524.65=5.2. 63=4. 62.95=7. 246.21=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=6.8215.55=34.52-17.87=12.234.57=23.75.64=17.839.5=7. 83-0.5=3. 458.7=16.551.3=8. 54.96=27.38-5.34=2. 624.66=8.5. 63=4.76 - 1.12=1.45 2.7=4.31 21.76=9.4618.28=42.39-20.92=21.8537.08=3.2.1.8=0. 90.6=0.1-0. 01=1.