五年级上册小数口算练习题

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1、-一、. z.-2.55=0.012100=0.00540=500.01=7.5200=32.08+0.07=7.005-3.58=50.005=1.89=0.180.9=0.75+10.05=780.01=. z.-二、. z.-9.60.1=8.050.1=0.10.01=0.0231000=41100= 8800400= 0.1210= 60030= 7.59100= 150+70= 356-98= 1258= . z.-三、. z.-1010.002=5.06+0.56=61.21-5.22=25.25-0.251=30.5= 1025= 4.80.16= 03.89=1.50.3=1

2、.85=7.20.9=8.40.4= . z.-四、. z.-03.5= 0.90.3= 10.06= 90.5=1.258= 2.63= 4.12= 0.350.2=0.2540=501000=45.03+0.52=14.1-10.02=. z.-五、. z.-5.60.8= 5.61.4= 0.480.8= 4.40.11= 4.23= 3.20.4= 0.30.01= 40.5= 87.01+0.99=58.02+1.003=1250.0008=1.250.8=. z.-六、. z.-60.025= 3.66.3= 0.054= 3.50=35.06-23.12=71.1-0.01=71

3、.10.1=71.1+0.01=54005= 20034= 550450= 180600= . z.-七、. z.-270030= 451.4= 8100=89100= 4.68+7.10=9.63+6.28=7.71-2.69=9.91-8.74=6.07-1.69=5.00+6.13=8.24-7.63=5.21+5.49=. z.-八、. z.-400.25=40.4=7.50.25=4.20.7=3.50.01=3.50.01=351000=0.350.01=8.21.8=10035.22=2.50.4=2.45= . z.-九、. z.-0.224= 0.90.52= 3.991=

4、03.52= 2.55= 8.47= 0.3417= 2.50.5= 8.40.7= 0.340.17= 30.44= 1.26= . z.-十、. z.-0.720.6= 2.61.3= 0.60.3= 03.65= 7.821= 0.0010.1= 1.40.7= 3.60.06= 800.125=4000.005=12.50.1=12.50.1=. z.-一、. z.-500.002=2.50.01=4000.042000.001=5.10.17= 0.281.4= 0.90.45= 9.616= 410.01= 0.011= 7.51.5= 0.819= . z.-二、. z.-7.5

5、0.1= 0.90.3=0.350.0013.50.5=10.06=90.5=1.258= 0.20.4= 4.50.9=2.54=12.54=0.30.1=. z.-三、. z.-4.52= 7.8+0.22= 3.40.4= 12.60.9= 481.6= 1.140= 2.26= 1388.9= 0.350.1=0.360.01=75.35-23.04=4.007-0.09=. z.-四、. z.-270.027=2.10.01=2.0040.2=50.1+21.51=0.82+0.08= 2731= 0.6310= 410= 171000= 0.56+0.4= 8025= 1-0.93

6、=. z.-五、. z.-1.25100= 5.6+99= 4010025= 90-0.9= 510.001=350.001=540.1=540.1=541000=25.23+0.77=98.54-63.45=300.003=. z.-六、. z.-6126= 1280= 1.5100= 84040=8.94-6.73=8.95-0.73=3.61-0.30=7.78-5.15=8.38+4.25=7.82-2.37=7.39-7.03=8.56-7.52=. z.-七、. z.-32.4=9246=8.19=2.54=9.21-8.20=6.88-0.49=8.06-6.96=2.76-1.

7、02=3.50-2.54=0.66+9.27=8.99-8.84=3.18-2.65=. z.-八、. z.-6.39+9.31=4.83-1.34=5.75-1.24=6.77-4.79=0.94+3.40=3.54+7.84=9.45-3.01=0.09+0.87=3.08-0.91=5.43+4.85=8.16+3.44=8.14-5.89=. z.-九、. z.-2.55=0.012100=0.00540=500.01=7.5200=32.08+0.07=7.005-3.58=50.005=1.89=0.180.9=0.75+10.05=780.01=. z.-十、. z.-4.68+

8、7.10=9.63+6.28=7.71-2.69=9.91-8.74=6.07-1.69=5.00+6.13=8.24-7.63=5.21+5.49=400.25=40.4=7.50.25=4.20.7=. z.-一、. z.-4.52= 7.8+0.22= 3.40.4= 12.60.9= 481.6= 1.140= 2.26= 1388.9= 0.350.1=0.360.01=75.35-23.04=4.007-0.09=. z.-二、. z.-8.21.8=10035.22=2.50.4=2.45= 0.224= 0.90.52= 3.991= 03.52= 2.55= 8.47= 0.

9、3417= 2.50.5= . z.-三、. z.-1.258= 2.63= 4.12= 0.350.2=0.2540=501000=45.03+0.52=14.1-10.02=5.60.8= 5.61.4= 0.480.8= 4.40.11= . z.-四、. z.-481.6= 1.140= 2.26= 1388.9= 0.350.1=0.360.01=75.35-23.04=4.007-0.09=171000= 0.56+0.4= 8025= 1-0.93=. z.-五、. z.-1.25100= 5.6+99= 4010025= 90-0.9= 510.001=350.001=540.

10、1=540.1=8.21.8=10035.22=2.50.4=2.45= . z.-六、. z.-0.224= 0.90.52= 3.991= 03.52= 200.1=200.1=120=0.120=541000=25.23+0.77=98.54-63.45=300.003=. z.-七、. z.-6126= 1280= 1.5100= 84040=8.94-6.73=8.95-0.73=3.61-0.30=7.78-5.15=4.68+7.10=9.63+6.28=7.71-2.69=9.91-8.74=. z.-八、. z.-10.001=10.001=0.0011=0.0010.1=3

11、.4-1.4= 7.82-7.2= 2.19+9.1= 10.1-0.89= 0.68+0.42= 8.1-5.1= 0.728-0.24= 0.8+0.18= . z.-九、. z.-0.89-0.25= 1-0.98= 0.048+0.52= 5400= 19.9+11.1= 1871000= 1+3.89= 0.08110= 7510= 0.960.8= 0.87= 1.57= . z.-十、. z.-1.328= 0.78= 10.32= 50.6= 0.90.3= 3.50.2= 2.010= 100.05= 0.137= 0.21100=0.74= 0.054= . z.-一、.

12、z.-40.3= 430-250= 0.17+0.06= 1.02-0.09= 7200800= 0.17+0.6= 0.83-0.6= 17300= 0.98-0.09= 0.2+0.78= 600700= 10.2+0.02= . z.-二、. z.-0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500500= 3.2-3.2= 3.7+2.3= 25100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= . z.-三、. z.-0.35+0.63= 350070= 3.1+3= 3.8+0.38=7500250= 3.8+1= 0.9

13、5-0.05= 450+780= 3.1+0.3= 3+0.3=6309= 4.5-0.4= . z.-四、. z.-9.5-5= 3309= 9.53-1.53= 9.5-0.5=3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= . z.-五、. z.-0.74+0.16= 23100= 9.8-4.8= 48040= 0.53100= 5.1+2.3= 12580= 0.07810= 0.52+0.4= 7012=0.25100= 3.4-2.8= . z.-六、. z.-0.6-0.37= 0.

14、05210=10+0.08= 1-0.75= 0.51000= 0.82+0.3= 13.5+6.5= 3.05100= 1.2-0.8= 21.6-12.6= 63100= 0.83-0.5= . z.-七、. z.-0.76+0.14= 801000= 2.7+0.4= 0.72-0.43= 30100= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= . z.-八、. z.-3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.

15、5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= . z.-九、. z.-9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= . z.-十、. z.-2.7+0= 12.58= 2.34= 3.250= 0.450= 300.1= 2.63= 4.12= 0.350.2= 7.50.1=2.52= 0.510= . z.-0.68= 一、. z.-2.810= 0.70.8= 5

16、.6+0.4= 4.7+2.3= 4.52= 7.20.8= 63.4= 0.62-0.32= 0.75100= 0.020.5= 3.60.3= 5.6100= . z.-二、. z.-0.750.25= 0.1258= 0.862= 0.5628= 0.360.4= 0.79= 3.624= 0.81.1= 46.7-3.8= 12.84= 5.213= 1.64+4.1= . z.-三、. z.-1020= 2415= 0.350.6=4.7+2.3= 4.52= 6.92.5= 7.20.8= 63.4= 0.620.32= 1.40.5= 0.75100= 0.020.5= . z.

17、-四、. z.-3.60.3= 6.37= 5.6100=0.750.25= 0.1258= 4.80.3= 0.962= 0.5628= 0.360.4= 0.640.8= 0.723.6= 3.624= . z.-五、. z.-0.81.1= 7.2+12.8= 46.73.8=12.84= 5.213= 12.55= 1.6441= 1020= 2415= 8.6510= 0.350.6= 3.080.01= . z.-六、. z.-4.951000= 6.90.1= 0.40.5= 2.40.8= 10.89= 9.60.8= 0.1082= 4.950.9= 9.650.1= 0.3

18、25100= 2.58= 0.560.7= . z.-七、. z.-0.1254= 3.280.1= 3.90.13=7.20.1= 0.010.1= 0.250.4= 1.60.8= 12.5= 1.250.8= 3.20.04= 01.7= 0.22102= . z.-八90.254= 0.253.974= 1.28.80.4= 0.240.5=4.7+2.3= 4.52= 6.92.5= 7.20.8= 63.4= 0.620.32= 1.40.5= 0.75100=九、0.020.5= 3.60.3= 6.37= 5.6100=0.750.25= 0.1258= 4.80.3= 0.9

19、62=0.5628= 0.360.4= 0.640.8= 0.723.6=十、2.40.5= 0.81.1= 7.2+12.8= 46.73.8=12.84= 5.213= 12.55= 1.6441=1020= 2415= 8.6510= 0.350.6=一、3.080.01= 4.951000= 6.90.1= 0.40.5=2.40.8= 10.89= 9.60.8= 0.1082=4.950.9= 9.650.1= 0.325100= 2.58=二、0.560.7= 0.1254= 3.280.1= 3.90.13=7.20.1= 0.010.1= 0.250.4= 1.60.8=12

20、.5= 1.250.8= 3.20.04= 01.7=三、90.254= 0.253.974= 1.28.80.4=5.61.4 0.480.8 4.40.114.23 3.20.4 0.30.0140.5 5.10.17 0.281.4四、0.90.45 9.616 10.01 0.011 7.51.5 0.81930.5 1025 4.80.1603.89 3.521 37.29937.2=五、6.44 1.50.3 10.410.4=1.85 7.20.9 2540.254=2.26 8.40.4 951.954.50.9 2.54 253.30六、2.54 0.30.1 37.2993

21、7.24.52= 7.8+0.22= 20.640.363.40.4= 12.60.9= 21.640.361.20.04= 0.427= 1.253.30七、0.92.01= 2.97100= 203.77.3=6.3+7= 2.199.1= 50.751.50.75=0.650.2= 9.8-0.98= 1-0.10.1=0.7+3= 1.20.8= 0.97+10.7=八、6.30.021= 1.50.03= 6.8-2.43=50.7= 0.435= 3.60.9-4=3.6-0.36= 8.1-2.2= 0.60.3+0.5=6.88.6= 9.40.2= 1.80.90.5=21.

22、08= 8.80.4= (1.6+0.5)5=一、430.01 3.720.2= 0.78-0.6=990.1 3.2-2= 60.1258=1.94 8.80.11= 41.20.25=0.1258 1.840= 2.5-3.61.8=二、2.30.1 85.1= 12-0.054=4.23 2.013= 16-4.5-5.5=1.80.3 3.724= 13-0.5-4=1.10.7= 2.32-0.4= 1.9+5.151=三、3.250= 3.20.5= 10.010.1=1.250.5= 1.293= 7.2-1.2+6.7=1.23= 2-0.8= 550.06= 0.01100=

23、0.52+0.08= 25= 80.03= 四、300.01= 01.22= 0.65= 1.2-0.9=0.540.6= 0.260.3= 10.05= 200.4=2.8+10.2= 7-0.9= 0.55+0.3= 0.8+0.2=五、160.4= 0.145= 2.54= 15.3-10=3.3+7= 610= 0.86+2.1= 40.37+4=3.20.8= 0.45+0.55= 6.48= 10.7-5.7=六、242= 966= 782= 783= 484=483= 282= 326= 164= 482=319= 125= 273= 424= 248=七、6759= 4528=

24、 5417= 123= 156=144= 372= 363= 906= 564=742= 13050= 5326= 10037= 9557=八、3612= 9015= 5614= 7437= 155=4816= 762= 9045= 127= 514=644= 616= 917= 846= 6012=九、9624= 32040= 45090= 56070= 147=77070= 5149= 8318= 89035= 424=322= 968= 855= 6416= 7035=一、254= 615= 4852= 7014= 514=1230= 7327= 4020= 8020= 1486=480

25、80= 60040= 15050= 63070= 362=二、5505= 156= 30060= 163= 705=245= 134= 54+87+13= 39+144+61= 567+299=327198= 2745= 1835= 3225= 15282=三、3230= 2230= 6201= 175= 460=4500900= 170+90= 480040= 14201= 8016=420020= 250050= 165= 3220= 674=四、240040= 360060= 873= 2516= 489=6963= 1256= 4825= 78020= 7245=36085= 7204

26、52= 3000+200= 48125= 358=五、804= 420352= 2532= 4515= 782=4512= 685= 6923= 67+25= 710420=5090= 2285= 125= 630030= 690420=六、30005 1204 2408 323 175273 184 195 166 174888 173 164 2006 145七、3.41.4= 7.827.2= 2.199.1=10.10.89= 0.680.42= 8.15.1=0.7280.24= 0.80.18= 0.890.25=10.98= 0.0480.52= 5400=八、19.9+11.1

27、= 1871000= 1+3.89=0.08110= 7510= 0.960.8=0.87 1.57 1.3280.78 10.32 50.6九、0.90.3 3.50.2 2.010100.05 0.137 0.211000.74 0.054 40.312.58 2.34 3.250一、0.450 300.1 2.634.12 0.350.2 7.50.110.08 3.50.01 1.250.2509.8 3.90.39 4.85.2二、0.50.4 40.25 348.19 2.54 60.0253.66.3 0.054 3.5003.5 0.90.3 10.06三、90.5 1.258

28、 2.634.12 0.350.2 7.50.10.90.3 10.06 90.51.258 0.20.4 8.21.8四、10035.22 2.50.4 2.450.224 0.90.52 3.99103.52 2.55 8.470.3417 2.50.5 8.40.7五、0.340.17 30.44 1.260.720.6 2.61.3 0.60.303.65 7.821 0.0010.11.40.7 3.60.06 5.60.9六、5.61.4 0.480.8 4.40.114.23 3.20.4 0.30.0140.5 5.10.17 0.281.40.90.45 9.616 10.0

29、1 七、5.61.4 0.480.8 4.40.114.23 3.20.4 0.30.0140.5 5.10.17 0.281.40.90.45 9.616 10.01 八、0.011 7.51.5 0.81930.5 1025 4.80.1603.89 3.521 37.29937.2=一、6.44 1.50.3 10.410.4=1.85 7.20.9 2540.254=2.26 8.40.4 951.954.50.9 2.54 253.30二、2.54 0.30.1 37.29937.24.52= 7.8+0.22= 20.640.363.40.4= 12.60.9= 21.640.36

30、1.20.04= 0.427= 1.253.30三、0.92.01= 2.97100= 203.77.3=6.3+7= 2.199.1= 50.751.50.75=0.650.2= 9.8-0.98= 1-0.10.1=0.7+3= 1.20.8= 0.97+10.7=四、6.30.021= 1.50.03= 6.8-2.43=50.7= 0.435= 3.60.9-4=3.6-0.36= 8.1-2.2= 0.60.3+0.5=6.88.6= 9.40.2= 1.80.90.5=五、21.08= 8.80.4= (1.6+0.5)5=430.01 3.720.2= 0.78-0.6=990.

31、1 3.2-2= 60.1258=1.94 8.80.11= 41.20.25=六、0.1258 1.840= 2.5-3.61.8=2.30.1 85.1= 12-0.054=4.23 2.013= 16-4.5-5.5=1.80.3 3.724= 13-0.5-4=七、1.10.7= 2.32-0.4= 1.9+5.151=3.250= 3.20.5= 10.010.1=1.250.5= 1.293= 7.2-1.2+6.7=254= 0.42.5= 1258= 0.812.5= 八、200.02=150.3= 0.320.3= 0.20.5= 3.60.2 = 0.40.25=0.50.

32、6 = 3.60.5= 0.380.5= 1.20.5= 0.166=2.30.3 = 一、0.60.5=0.0214 0.48 3.563.21 0.5103.242.19203.8100 0.083 0.9100= 3.510=二、70.02= 0.45= 4.22= 0.085=5.19100= 3.1810=3.920= 0.118=2.60.3= 15.53= 8.80.1=2.50.4= 三、1.254= 0.3610= 6.84= 29.60= 0.19100= 0.2540= 0.12580= 20.34= 1.80.5=0.165= 10.90.5= 3.620= 四、600.05= 0.50.4= 4.44+5.64=5.20=700.04= 2.70.01= 1.2520.4= 1.254=0.095= 4.50.2= 0.50.02=0.0425=五、400.8= 1.50.6= 1.12100= 3+0.30.5=30.20.5 1.250.8= 43.70.25= 3.60.1=