三年级上册数学口算题 500 道23X5=79X8=510-369=240-199=3000=5 二960=6=630=9=4800=8=14X50=50X60=18X30=72=4=760=4=25X30=64=8=96-77=800X5=30X15=690=3=16-07=679-123=8X25=37X3=23X7=53X30=18+34=51-4=400=5=200X4=300X4=24+54=51－3=20X8=54=6=300=5=39=3=20X36=4X25=27-12=65+0=500X4=13X2=31X2=12X4=46X20=65=5=60X50=120=2=600=5=86+67=87-69=25X30=50X70=460=2=900=3=67+32=72=8=75+25=600X8=42+58=30X4=70X3=18X4=60X7=66+19=260=2=04+23=08-07=100X2=28+2=40=2=42=7=66=6=64=8=450X2=656＋17=50X8=69X2=77X5=99X5=990=9 二76-27=61-27=34-28=36－12=17X4=68－17=20－14=80=4=100-25=180+147=77X7=650=5=45X10=300X9=19+4=6X7=100X7=34X2=24X2=24X6=30X9=70=5=120=4=28X20=480=4=840=3=36+12=50X6=60X9=70X7=120=6=120=2=280=2=100X0=80X90=37+22=480=8=98=7=640=2=70X5=80X5=14X5=300-84=900X9=87-49=24X5=81-05=26-03=70-31=12+51=420=3=34-18=49+216=160=8=47+02=48=12=100=5=3100+90=277+43=420=2=7X50=28X3=36+17=14=7=50X10=63X9=73X5=300-14X6=46X2-36=240=4=60X4=77=11=33X5=480=6=14X7=38+27=200+180=90+150=5X60=6X50=14=7=150=10=60X5=68-52=500=5=60X40=70X4=300X3=98－48=21X4=72+8=96-68=220=2=240=4=213=3=9X10=120=2=88=4=20X3=40X9=11=1=60X8=90X3=0=32 二13X60=45-23=500X9=93－28=17X2=50+3=16=2=32X30=46+32=26X30=270X2=10X2=400=8=240=3=6X15=5X4=3X800=50X8=31X3=3X70=70X5=10=5=3X25=40X21=22X400=12X300=450=9=770=7=89+05=900=5=90=10=20X3=40=4=80+60=50+50=20X8=540=6=300=50=45=3=700=5=8900-8000=50X50=80X80=940=2=12X400=420=1=79+17=38+9=94-23=70+38=29+78=7400-4000=140=7=320=8=210=3=46+15=17X40=260=2=240=3=3X2=40X5=70X8=4X60=50X4=70=10=9X20=80X10=50X7=70X6=50X2=1000=5=400X2=80X5=72－24=900=9=33X30=700X90=46+31=13+05=2700=3 二62+07=70-42=550=5=560=2 二76X5=66+19=20X14=48=4=7X51=70X8=31X2=88-18=42X5=16+37=64=8=440=2=480=8=4+22=300=6=990=9=42=3=270=3=37-09=96-64=68=4=4000=5=25X9=500X6=60X2=52+4=13X0=51=3=26X2=26=13=8X21=620-180=560=8=7000+300=90=5=16X40=540=9=120=6=90X30=61+70=14+36=18+4=24+3=90X60=2700=3=15X4=14-02=35X10=630=3=32X30=6X200=78－28=27+36=48－16=130－90=720-698=869+72=96+29=24=2=50X47=45+86=42-15=20X43=74-22=202=2=820=2=162=2...
