四年级下册数学口算练习600题

1、1 / 5苏教版四年级数学下学期口算练习60X9=50X90=600-30=2.81.6=20X34=60X900=3.41.5=43X2=0.90.3=11X600=13X600=75-18=9279=70-30=5.24.1=8000-3000=120-3=0.60.3=3X900=32X30=900-3=320-3=210X4=0.90.5=70X20=0460=4.83.4= 25X100=75-3=125X8=2.50.2=25X40=125X32=3.70.3=400X20=200X8=30X70=0.42.1=7X14=60X400=30X90=28X3=3718=4X15=30

2、X21=45X2=7050=30X330=25X4=88-22=5024=400X50=230X3=4840=60X15=450X20=140X50=120X60=885=35X6=280-70=210X30=60X900=785=23X30=25X400=4X700=717=70X16=36X40=12X40=5428=3716=14X70=40X50=0.70.5=500X8=4729=51-3=0.20.6=3.82.4=128X80=8051=240X3=60X9=50X90=600-30=20X34=60X900=43X2=11X600=13X600=75-18=9279=70-30

3、=8000-3000=120-3=3X900=32X30=900-3=320-3=210X4=70X20=0460=25X100=75-3=125X8=25X40=125X32=400X20=200X8=7X14=30X70=60X400=30X90=28X3=4X15=30X21=45X2=30X330=25X4=88-22=400X50=230X3=60X15=450X20=140X50=120X60=35X6=280-70=210X30=60X900=23X30=25X400=4X700=70X16=36X40=12X40=14X70=40X50=500X8=128X80=240X3=8

4、0X20=15X60=12X5=420-70=230X3=60X15=450X20=40X50=120X60=35X6=210X30=60X900=900-3=420-3=80十4=90-30=210X4=70X20=25X100=75-3=125X8=25X40=23X30=270-30=4X700=70X13=32X40=12X40=540-90=14X70=500X8=420-70=21X4=120十4=400-80=16X5=720-80=360-60=13X7=490-70=900-30=32X30=22X30=6X201=17X5=4X60=16X5=4500-900=170+90

5、=4200-20=2500-50=2400-40=32X20=67X4=3600-60=87-3=25X16=48X9=696-3=125X6=48X25=780-20=7245=36085=720-45-2=48X125=35X8=2 / 50.56+0.4=90-0.9=70=145-99=25X32=45-15=78-2=420-35-2=45X12=6X85=69-23=67+25=710420=50X90=22X8X5=6300-30=12X5=690420=930-30=102+284=480+290=23X3=800X30=2100-70=612-12=71-68=1800-30

6、=880-20=45X14=5000+4000-300=32+15=28X7=40X60=32X20=468+197=4700-10=6X80=729+302=4518=178-681242X42360+140=66X5442X981316=83-9=45X28=421-7=150-2=45X52=16002=659=90-9=600-1=1500-3=9X300=45+45=50X90=66+26=5X5+52=90+300=90+400=1700-90=110-30=500+80=110-80=50+90=400+300=150-60=-8=150+40=2100-3=50X80=28-7

7、=160-60= 160500X4=24-8=12X20=5.6+2.3+0.7=35500-500=63-9=280-4=2-0.35-0.65=810300X6=25+41=14020X31=90-65=527441X751318351X82410-7=2=17-1000=829=80X25=1.25X100=8800-400=1-0.93=5.6+99=10025=41X100=600-30=7.59-100=150+70=356-98=1258=6121280=1.5100=5.4-2.5-1.4=84040=0.28+0.12=7.3+2.7=7.5-3.4=1-0.35=3.610

8、=345+298=0.5+0.4=0.9-0.3=0.35+0.43=2.8-1.2=0.81-0.19=9.7-7=7.8+2.2=(25+50)=3.060.2=8X125=7-6.28=0.671.24=8.2-0.01=0.429.5=65X25X4=5 0X4=1.82-0.63=2.5=1-0.37=310X5X2=4X99X23=12.6+5.3+6.4=5-1000=4.51.5=231-99=3.77.5-2.8=5.5-3.2=120-6-2=9100-32+268=1.3-0.7=3 / 51025= 3.12+5.2=11.3-8.6=2-0.29=457+198=75

9、6-197=0.9-0.26=821-202=1-0.63=1.5-0.04=0.49+0.61=11.7+2.3=735-298=10-8.25=50X50=1.29-0.18=0.6+5.47=97-59=36+54=7000-200=398+294=500-12=250X40=125X800=15X60=64X4=998-299=240X400=54-15=9100-700=140X7=299+455=15X (100+3)=25+68=542-298=152-46=620-290=100-79=860-370=870-130-150=670-540=68X101=894-399= 99

10、7+674= 19X40=7X125+125=95-64=40X19=95X2=590+30=1100-50=83-25=446=60-52=3X90=7+75=500-27=91-23= 22X50=0X346=125X32=21X500=1250X4=439+61=392+208=188+702=15X400=200-47=289-98=66+25=239+42=65X50=650-13=740-370=75X40=140-30=2X95=200-104=15+97=410-350-20=58-2=72-4=1000-37=101+52=40X38X25=47-19=540X5=740X6

11、=28X300=25X12=43X50=64+36-58=530-250=185-86=90-6=420X18+580+180=700-7=120+390=2X96X5=(18+25)X4=3.9+2.03=47X4=100X7+7=90-69+27=6.7+3=25X(100+2)=95X(100-1)=7X(40+7)=12X700=0-38=645-(500-1)=53-38-14=4 / 560-36=8= 250-160=310+260+420=(30X5+30)X5=160X3=8X27X125=1-0.2=8+0.4=(180+20)-5=7X19+7=(150+50) X8=2

12、5X18=42X8X4=272-97=1.29-0.18=198+27=2.5+3.2=103X40=(22+78)X7=2.4-1.7=8.2+0.54+0.46=8-2.5=2.4-1.8=0.25+0.75=86.2+15.8=(25+24)X4=175-35=420-150=9+0.1=46+49+51=174-48-52=1.05-0.09=8X(125+50)=0.6+7.45=72X4+28X4=200-8=20-19.7=73X1=0.82+0.08=0.56+0.4=1.25X100=5.6+99=90-0.9=345+298=14X60=360+640=750-260=7.

13、8+2.2=0.81-0.19=1-0.37=9.7-7=0.5+0.4=0.9-0.3=0.35+0.43=2.8-1.2=7.8+2.2=5.8-5=40X60=840-21=40X23X5=24X50=1-0.08=621-199=12-1.46-0.54=25X6=110X600=30X270=5.6+2.3+0.7=17575=57亿+13亿=61万-25万=320168=9X125X8=430270=376-198=2.5+3.2=9.94.8=80.72=0.25+0.75=25X4=400X5=12X200=60X25=300X15=53X5=42X50=0.6-0.47=25X8=1-0.06= 76万+19万=670-500=0.84.7=0.75X100=0.08+1.22=45万+256万=7.4X1000=4X(25X7)=1-0.93=7X800=90X60=760-450=310+