口算练习.docx

1、口算练习77-46+32=65-38+26=79+19-56=56+74-26=58-36+27=84-27+16=4+27-16=93+23+94=69-(39-23)=99+（25-24）=77-76+32=61-38+26=79+19-16=16+77-26=18-36+27=87-27+16=30+(23-29)=73-23-4=93-(39-23)=71-（25-24）=99-46+32=65-39+26=99+99-56=56+94-26=59-36+29=94-29+96=30-(23-29)=93-23+94=33-(39-23)=99-（25-24）=99-96+32=69-

2、39+26=99+99-96=96+99-26=99-36+29=99-29+96=30+23+29=23+23+94=93-(39-23) 99-（99-29）= 55-46+22=65-28+26=58+18-56=56+54-26=99-46-32=65-39-26=99-99+56=94-26=59-36-29=94-29-96=93-23-94=33-(39-23)=99-（25-24）=30-(29-23)=99-96-32=69-39-26=99-99+96=96-99-26=99-36-29=99-29-96=23-23-94=93-(39-23)=99-（99-29）=25-

3、4-16=55-46-22=65-25-26=55-15+56=56-54-26=55-26-25=54-25-16=52+22-54=65-(25-22)=55-（25-24）=20-(25-22)=55-56-22=61-25-26=55-15-16=16+55-26=15+26-25=55-25-16=52-22-4=52-(25-22)=51-（25-24）=20-(25-22)=55-46-22=65-25-26=55-55+56=56-54+26=55-26-25=54+25-56=52-22-54=22-(25-22)=55-（25-24）=20+22-25=55-5-22=65

4、-25-26=55-55+56=56-55+26=55-26-25=55-25-56=22-22+54=52-(25-22)=55-（55-25）=24-7-16=77-46-30=63-35-26=79-19-36=36-7-26=35-6-27=54-27-16=93-23-9=69-(39-23)=99-（26-24）=30-(29-23)=77-6-32=61-35-26=79-19-16=16-7+26=15-6+27=57-27-16=73-23-4=93-(39-23)=71-（29-24）=99-（24-23）=99-46-32=63-39-16=99-9-36=36-94-2

5、6=39-36-29=94-29-6=93-23-9=33-(39-23)=99-96+32=69-39-26=99-99+96=96-9-26=99-36-29=99-29-9=30-(29-23)=99-（99-29）=23-23+94=93-(39-23)=33-6-22=63-25-26=35-15-16=36-14-16=35-26+23=54-23-16=23-4-16=20-(25-22)=52-22+54=65-(25-22)=55-（33-24）=31-（24-23）=33-（36-22）=61-25-26=35-15-16=16+33-26=15-26-23=53-23-1

6、6=32-22-4=52-(25-22)=55-26-22=63-25-26=55-25-16=36-14-16=35-26-25=54+25-56=20-(22-25)=55-（25+24）=52-22-24=22-(25-22)=57-56+22=65-25-26=55-15+56=56-（55-26）=55-26-25=55-25-56=20-(25-22)=55-（55-25）=22-22+54=52-(25-22)=77-46-72=65-75-26=75-25-56=56-74-26=55-76-27=54-27-26=4-27-26=55-（25-24）=57-27-54=65-

7、(75-27)=77-76-72=62-75-26=75-25-26=26-77-26=25-76-27=57-27-26=70-(27-25)=72-（25-24）=77-27-4=57-(75-27)=55-46-72=65-75-26=55-55-56=56-54-26=55-76-25=54-25-56=70-(27-25)=55-（25-24）=57-27-54=77-(75-27)=55-56-72=65-75-26=55-55-56=56-55-26=55-76-25=55-25-56=70-(27-25)=55-（55-25）=27-27-54=57-(75-27)=55-46

8、-22=65-25-26=55-25-56=56-54-26=25-26-27=57-27-26=20-(22-25)=72-（27-24）=72-22-4=52-(25-22)=55-46-22=67-25-26=55-55-76=76-54-26=75-26-25=54-25-56=20-(25-22)=55-（55-25）=22-22-54=52-(25-22)=77-27-4=57-(75-27)=55-46-72=65-75-26=55-55-56=56-54-26=55-76-25=54-25-56=70-(27-25)=55-（25-24）=57-27-5=77-(75-27)=

9、55+56-72=65-75-26=55-55+56=56-55-26=55-76-25=55-25-56=70-(27-25)=55-（55-25）=64080=155=233=1225=48080=165=273=9015=484=64016=393=2420=323=4816=128=273=5614=248=142=8345=56080=9624=4020=4030=3726=7639=60559=3023=128=2732= 4827=450020=7315=120600=200360=6800400=280270=42500=600040=51280=31070=40014=470

10、180=100025=160600=20420=290300=8100300=7600200=7600400=680270=98014=420030=61300=130050=20048=930660=530280=9200400=84021=180500=8000500=190020=200160=8700300=300330=31400=700014=60012=960080=140300=880040=9600800=750290=5490=76020=7500500=370200=65013=86004200=2404=64080=1510=16030=2506=7200+900=41

11、0-201=1258=4820=6600600=390+140=1180=2450=3600400=400050=53070=42090=960030=7700=203+98=1800300=240+570=4800400=370+580=580490=910370=258=270190=362=7525=33011=6800=54009=42060=9800=3330=3007= 9500=39013=6300700=5600700=480012=35007=370560=520490450908033070700700070400080240020042090170320100051520

12、26091019035200222008800400930030063001800200930030280403041993902612505021406600220760198660220500050100917532997000702004018030=24040=352=1407=136=2803=3502=5011=2506=7200+900=410-201=1258=4820=6600600=390+140=1180=2450=3600400=400050=53070=42090=960030=7700=203+98=1800300=240+570=4800400=370+580=5

13、80490=910370=258=270190=362=7525=33011=6800=54009=42060=9800=3330=3007=9500=39013=6300700=5600700=480012=35007=370560=520490450908033070700700070400080240020042090170320520260910190352002220088004009300300630018002009300302804030419939026125050214066002207601986602205000501009175329917401006375150.9

14、6=0.126=6.84=0.7212=0.242=1.23=140.5=9.66=1.65=0.486=12.55=0.125=4.623=1.60.8=7.20.6=3.93.9=1.80.5=6.39=3.7+4.8=06.81=2.510=0.158=4.214=16-5.7=80.5=0.3216=0.51.1=0.5+0.14=1.254=6.32.1=0.924=61.2=0.48=7.6-3.8=6.2+1.7=0.5614=0.25+3.1+1.7510-1.8-2.2=4.80.2=0.30.52=3.52=4.81.2=0.244=8.75.6=5.68=0.7+0.43

15、=13.50.5=0.0560.15=1.6926=11736=19.46=5.670.2= 180.9=0.043+0.875=0.40.70.25=0.75102=100-56.23=0.78+5.436+1=4.070.86+9.125=4228=7.216+0.8=19.83.3=2.83.6+1.42.8=(3.2+0.128)0.8=26+8=19+6=28+5=53+6=78+5=37+9=23+8=89+6=75+5=86+6=68+7=87+9=26+9=25+6=50+37=49+7=87+9=50+8=61+9=85+4=91+8=82+5=39+10=46+7=73+7

16、=37+4=78+3=27+60=39+8=68+5=9+25=35+6=2+40=86+2=48+7=39+10=16+9=5+18=17+3=36+6=29+5=87+9=48+8=35+8=4+19=7+26=4+37=29+4=39+8=26+7=7+38=6+18=40+6=35+30=32+8=25+5=13+7=86+8=19+60=32+8=16+9=34+6=5+37=14+7=37+9=57+8=39+2=27+4=50+5=54+9=70+60=39+50=10+40=6+10=18+50=74+6=37+2=26+50=23+70=47+4=88+3=47+6=99+1

17、=68+5=26+8=19+60=48+50=23+6=78+50=87+9= 83+8=19+6=75+5=36+6=18+7=47+9=83+70=67+40=88+3=47+6=39+8=68+5=36+8=19+6=28+50=53+6=78+5=17+9=2.52=0.510=0.68=2.12=2.810=0.70.8=0.0420=5.6+0.4=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=3.60.3=6.37=5.6100=0.750.25=0.1258=4.80.3=0.862=0.5628

18、=0.360.4=0.640.8=0.79=3.624=0.81.1=7.2+12.8=46.73.8=12.84=5.213=12.55=1.64+4.1=1020=2415=8.6510=0.350.6=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=560.7=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=9.60.8=50.24=4

19、.50.05=3.90.1316.50.5=50.12=240.5=4.80.5=2.84.2=0.842.1=50.25=7.80.01=5.40.6=3.25=70.62=0.560.8=7.42.8=0.180.2=0.168=4.50.02=87.2=1.230=0.0120.2=7.30.3=06=3.60.12=7.80.6=25=4.55=0.30.6=0.960.2=10.50.4=7.30.27=80.125=0.540.6=0.610.39=0.5628=1020=4.080.4=109.4=0.80.11=7.212.8=5.60.01=2.3100=0.75100=0.

20、1082=10.89=7.80.01=5.40.6=35=70.62=120.5=5.20.4=12.20.2=5.6100=0.413.7=0.020.5=7.20.8=1.40.5=840.21=0.750.25=2.516=0.1082=1.7532.5=165.07=5.213=1.6441=1.020.2=0.260.3=8.40.02=1.26=0.80.05=12.60.03=8.710.1=210.21=0.80.13=0.3417=8.080.4=0.52.2=1.244=3.270.63=5.020.3=0.30.5=5.67=727.2=0.70.35=0.71.40.4

21、80.04=1.252.5=5.55.5=16.88=0.542.2=3.50.05=20.02=0.2540=1.50.6=0.320.8=12.250.5=73.50.1=46.552.5=0.45102=1.2588=81.25=73.5=4.20.76=0.48.625=0.270.3=2.5101=2.672.67=0.020.5=3.60.3=6.37=5.6100=7.80.01=5.40.6=3.25=70.62=1.50.6=0.320.8=12.250.5=73.50.1= 2.52=0.510=0.68=2.12=0.610.39=0.5628=1020=4.080.4=

22、1.20.3=6.61.1=4.97=00.48=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=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=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=4.951000=6.90.1=0.40.5=2.40.8=10.89=9.60.8

23、=0.1082=4.950.9=9.650.1=0.325100=2.58=0.560.7=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=9.60.8=50.24=4.50.05=3.90.1316.50.5=50.12=240.5=4.80.5=2.84.2=0.842.1=50.25=7.80.01=5.40.6=3.25=70.62=0.560.8=7.42.8=0.180.2=0.168=4.50.02=87.2=1.230=0.0120.2=1.30.3=9

24、6=3.60.12=7.80.6=25=4.55=0.30.6=0.960.2=10.50.4=7.30.27=80.125=0.540.6=0.610.39=0.5628=1020=4.080.4=119.4=0.80.11=0.7212.8= 5.60.01=2.3100=0.75100=0.1082=10.89=0.70.8=165.07=4.20.4=0.726=120.5=5.20.4=12.20.2=5.6100=0.413.7=0.020.5=7.20.8=1.40.5=840.21=0.750.25=2.516=0.1082=1.7532.5=165.07=5.213=1.6441=1.020.2=0.260.3=8.40.02=1.296=0.80.05=12.60.03=8.710.1=210.21=0.80.13=0.3417=8.080.4=0.52.2=1.244=3.270.63