小数加减乘除法练习题

1、练习(1)4.86=0.960.03=2.40.2=4.80.6=9.60.3=25.86=22.83=5.980.23=19.765.2=3.817=3242=246.413=2.170.7=0.40.01=5.3 6.7=5.4-3.6-1.4=300.01=151.5=12.9-8.5=7.20.4=2.81.4=8 2-8 2=286 198=314-202=526 301=223-99=0.452.5=0.81.25=0.33.6=0.30.3=100.07=0.31.4=0.057=练习(2)2.14-0.9=0.5 7.6=24048=4200300=0.75-0.38=396

2、99=9030=2035=1-0.2=3-2.25=1.57 3.43=286 199=18.54-9.9=3699=2.42=480.6=963=0.240.2=4.86=0.960.03=2.40.2=4.80.6=9.60.3=3.2424=3.240.24=3.242.4=2.42=480.6=963=0.240.2=练习(3)3.215100=0.810=4.08100=1.10.2=0.60.8=30.9=2.50.4=3.60.4=12.58=500.04=800.3=1.19=0.165=1.78+2.2=9.60.6=1.20.5=0.70.01=2.50.4=12-3.9=

3、6.60.66=3.9+2.03=4.23.5=1.6 2.40.3=2.14-0.9=27+456+73=0.30.3=7.2+2.8=0.90.01=120.3=2.870.7=134=0.960.3=1.50.4=练习(4)0.920.4=0.20.26=0.144=0.020.1=1.20.3=0.20.4=8.2+1.8=100-35.22=2.34=2.50.4=2.45=0.224=3.250.5=0.9-0.52=3.991=03.52=12.58=810=10-1.8-7.2=0.43 3.57=2.5412=0 . 90 . 8=7.5x-3x=3a 7a=1.05100=

4、10.5=0.963=1.470.7=5.46=0.16.510=0.56100=3.78100=40.8=练习(5)2.50.7=10.13.3=10.7512.5=3.259.04=12.58.8=0.430.28=6.450.73=4.60.6=8.90.05=3.080.43=1.526.7=5.2229=18.723.6=13.953.1=810=10-1.8-7.2=0.43 3.57=2.5412=0 . 90 . 8=7.5x-3x=3a 7a=1.05100=10.5=0.963=1.470.7=5.46=1280.4=780.6=9.63.2=650.05=540.12=3

5、20.4=360.18练习(6)0.350.3=1.45=2.84=，19.64=22.54=0.3961.2=0.7560.36=15.613=0.1815=0.02514=3.0636=0.040.12=3.842.6=5.763=7.1522=90.753.3=3.680.2=16.90.13=1.553.9=3.70.016=13.760.8=5.20.6=8.41.3=6.40.5=4.480.4=5.255=35.44.2=0.0420.54=0.760.32=0.250.046=2.523.4=1.0825=4.80.25=练习(7)70.25=2.50.70.8=8-2.5=1

6、61.6=5.61.01=0.36+0.64=64.3216=4.20.1=72.80.8=8.44.2=13.8+9.9=2.42.5=0.050.8=2.56-0.37=122.5=1.233=3.21.6=3.5+3.53=19.62=8.82.2=0.754=0.50.8=8.40.2=1.60.2=7.20.3=2.80.3=0.90.15=1.80.4=5.50.55=0.08100=2.20.11=5.46+4.54=12.50.8=练习(8)420.003=780.06=450.005=810.03=7.20.002=10001.25=102.5=1200.024=7.55=8

7、.60.002=0.00363.6=8.62=2.50.005=0.360.0006=7.52=6.321=8.60.0043=460.0023=8.40.0084=1.283.2=9.80.7=4.60.023=0.0090.005=390.0003=133.0007=5.050.5=1.23=0.0012550=5.6700=7600.008=4.3296=4920.004=18.630.03=练习(9)9.599=13.50.98=0.1-0.047=0.292.9=3.40.2=0.5719=63 124 76=7.0910.8=0.87.09=9.5101=3.810.1=7.69101=3