四年级数学口算练习题500道

1、四年级口算练习（一）500500 题1.5X100=7.8+2.2=13889=840-40=1-0.37=5400十54=0.125X100=4X(25+50)=200X34=8-100=32.8+19=550450=2.3+3.6=1000X0.8=18000-600=0.28+0.12=3.06+0.2=2700-30=7.3+2.7=310X5X2=45X14=7.5-3.4=0.51-17=89-100=1-0.35=240-30=0.82+0.08=3.6-10=8X125=73X1 =5.6+2.3+0.7=0.67+1.24=0.63X10=5X17X2=76.28=4宁10=

2、154-73-27=8.20.01 =17-1000=1000X25=99X23=0.56+0.4=24X0十12=50X4=80X25=7.06X100=5-1000=1-0.93=7.6-10=0.42+9.5=1.25X100=2.5X10=10X0.5=5.6+99=65.8-100=65X25X4=100-25=91.05-1000=0.08-100=90-0.9=300-15=1.820.63=41X100=0.05X1000=4.5+1.5=8800-400=14X60=10.63=0.12X10=5400-600=23199=600-30=345+298=3.7+2.5=7.5

3、9-100=0.5+0.4=32+268=150+70=0.9-0.3=1.30.7 =356-98=0.35+0.43=2.4+0.6 =125X8=2.8-1.2=7X99+7 =612-6=0.81-0.19=120-6-2=12X80=9.7-7=9100-70=1-0.2=0.6+0.6X99=125X800=145-99=(0.88+0.16)-8=97-59=102X5=12.6+5.3+6.4=64X4=0.5X60=9.6-0.4-5=998-299=3.12+5.2=6X1.4+6X4.6=240X400=11.3-8.6=0.8-(0.4X0.2)=54-15=0.23X

4、400=13.6-8+10.4-8=140X7=0.59+0.220.74-0.001 =299+455=60-0.5=5.4-2.5-1.4=15X60=2-0.29=2-0.35-0.65=9100-700=457+198=6.4+1.07-0.47=900-50=756-197=1.5-0.04=17+49=45+15-45+15=420-35=25+68=542.5-1.4=0.49+0.61 =542-298=0.36-1.2=2.4X0.2=152-46=5X3.3X0.2=0.64-0.16=620-290=5.5X3=55X80=100-79=14.5-9.5=11.7+2.3

5、=860-370=400-25-8=735-298=0-38=416-8=810-27=670-540=2.1-30=10-8.25=894-399=1.25X3X8=3200-400=68X101 =0.90.26=360-120=19X40=821-202=1.29-0.18=47X4=0.25-50=15X(100+3)=95-64=30.2X5=0.6+5.47=40X19=125X16=36+54=95X2=7X(10+0.5)=7000-200=590+30=0.18+0.9)-9=398+294=1100-50=16.4-(3.5+6.4)=500-12=83-25=8.3宁2.

6、5宁0.4=50X40=997+674=740-370=100X7+7=3200十200=75X40=90-69+27=4200-30=140-30=410-350-20=5500-500=9600-3200=25X(100+2)=44X6=2X95=95X(100-1)=71-17=200-104=7X(40+7)=900-60=15+97=645-(500-1)=60-52=58-2=870-130-150=60-36=72-4=53-38-14=7+75=1000-37=19X6+11X6=10000-50=6000-150=827-59-24仁500-27=101+52=678-372

7、-28=6600-110=47-19=17+15+18=91-23=540X5=5000+4000-300=22X50=740X6=310+260+420=0X346=20000-500=28X3+16-4=125X32=28X300=(120-30X2)-4=21X500=25X12=(30X5+30)X5=1250X4=43X50420X18+580+180=439+61=530-250=75-(18+14-27)=392+208=600-120=900-6- 520-40=188+702=185-86=60-60-(4X3)=15X400=90-6=87-(20+30-47)=200-4

8、7=700-7=90+90- (48-8)=289-98=120+390=65宁5+3X9=66+25=64+36-58=8.2+0.54+0.46=239+42=40X38X25=6400-200=65X50=2X96X5=250X8=65X2=(18+25)X4=3.9+2.03=5X45=7X125+125=250-160=650-13=560-40=8X27X125=9+0.仁300-15=12X700=46+49+51=0.05X1000=1-0.2=174-48-52=14X60=(180+20)-5=1.05-0.09=0.81-0.19=2-1000=8X(125+50)=1-

9、0.37=1260-30=420-610=0.5+0.4=7X19+7=0.6+7.45=0.9-0.3=25X18=72X4+28X4=0.35+0.43=14.5-100=200-8=2.8-1.2=(150+50)X8=20-19.7=9.7-7=490-35=89-100=7.8+2.2=14.5-100=73X1 =5.8-5=42X8X4=0.82+0.08=6.7+3=272-97=0.63X10=40X60=1.29-0.18=4宁10=840-21 =180-5-4=17-1000=24X50=198+27=0.56+0.4=1-0.08=8+0.4=1.25X100=621

10、-199=2.5+3.2=5.6+99=7.8+2.2=103X40=100-25=750-260=(22+78)X7=1-0.93=360+640=160X3=5X2=12-1.46-0.54=2.4-1.7=4X(25+50)=5.6+2.3+0.7=2.4-1.8=90-0.9=8800-800=0.25+0.75=5400-600=110X600=86.2+15.8=7.6-10=25X6=213-3=7.06X100=30X270=(25+24)X4=345+298=90-15=8-2.5=2.5X10=17575=175-35=65.8-100=57亿+13亿=420-150=91

11、.05-1000=61万25万=0.08 +1.22=38056=1144宁102=45万+256万=580410=320168=7.4X1000=196+68=40X23X5=4X(25X7)=18万+23万=9X125X8=17-1000=1000- 620=430270=720-60=410-203=376-198=1-0.93=0十578=2.5+3.2=7X800=38+90=9.94.8=760-450=7X9-7X9=80.72=310+48=84万48万=0.25+0.75=240+160=64万+34万=38X19-38=90X60=7200-8=780-30=670-500

12、=96宁16=98-49=25X4=76万+19万=340+270=400X5=98-49=72-18=12X200=410-203=90-15=60X25=230万-70万=720-12=300X15=82万-54万=125X24=900-30=320+60=720-48=84-7=860-47=630-45-2=53X5=720-30=299+435=640-40=7X9-7X9=260-98=960-60=430+190=25X24X5=42X50=510-30=3.7+2.5=0.60.47=340+270=120-6-2=25X8=72-18=960-48=10.06=90-15=4

13、31+199=0.8+4.7=720-12=362-103=0.75X100=0十578=360*8宁5=5.6-100X10=38+90=25X32=4宁10=130X50=720*48=2460.6=130X3=480*0=7X99+7=60X50=30X60=4.3+1.5=150*3=1800*60=300-84-1616=260X2=25X40=2-1.1 =7526=1800*90=7.52.8=21X40=5X17=4X(3625)=35X20=48*3=90-6=15X80=90X6=6X4X5X5=300X6=1400X5=650-5+80=15X8=12X8=64+36=

14、60X30=23X30=92*2=8X7+56=51*3=150X4=300*3宁5=60*60=56080=420(420300)=80*5=72*24=2419+24+19=240*80=3200X2=(59+21)X(72*6)=100*50=24X20=125+125+125+125+125+121200*20=70*4=5+125+125=250*50=28X3=270*90=6X13=50*0=650*5=360*40=900*5=500*50=10X47=280*70=91*3=34X2=450*)0=15X5=12X20=四年级口算490*70=18X2=练习题 500500

15、道21X3=84*3=200X30=15X3=1900X5=42X4=120*60=720*1=637=25X4=50X70=230X20=14X5=480*0=26X30=130X5=48*4=931=400吒=76*9=18X4 =4203=18X3=7437 =3200 2=6X800=21030=24 20=110X8=36 20=70*14=250*50=4X250=28X3=130X5=120吃0=6X13=4008=1602=650*5=420*3=480吃=900*6=90-15=50 60=10X47=3X24=484=91*3=92*46=76出9=450*50=48+16

16、=183=12X20=11X40=6X800=18X2=360*50=110X8=84*3=160X2=25050=1900X5=480吃=1305=720*4=50X60=400%=50X70=48*4=4203=480*80=76*9=90-15=26X30=18X3=3 24=93*31=6X800=92詔6=18X4=110X8=48+16=74*37=250*50=11 40=210*30=130X5=36060=36X20=4008=76出9=4X250=420*3=183=120*20=90-15=6800=160X2=3X24=1108=480*2=92*46=25050=50

17、X30=8.1*)=8.4 P.7=0.34弋.17=30.4詔=1.2 X6 =0.72弋.6=2.6 T3=0.6X0.3=03.65=7.82 +1=0.001 4).1=1.440.7=3.640.06=5.640.8=5.64.4=0.4840.8=4.440.11=4.2X3=3.2X0.4=0.340.01=440.5=5.140.17=0.284.4=0.940.45=9.646=140.01=0.014 =7.54.5=0.8149=340.5=10425=4.840.16=2.5X4=6-0.025=3.6+6.3=0.053.5 0 =03.5=0.9 X).3=1 X).O6=9X).5=1.25 8=2.6X3=4.1 2=0.35X0.2=