(完整)小学三年级口算题500道

1、470+180=600+1 =396+ 2 =40+ 2 =40X30=37 + 26=76-39=605+59=30X 23=12X8=27+32=48 + 27=45X20=73+15 =12X60 =20X 36=68X 40=280+270=4X250=600 + 4 =5X 1280=310-70=40+ 8 =15X 5=23X 3=12X25=480+ 8 =16X 5=27X 3=90+ 15=48+4=640+ 6=39+ 3=24 X 20=32X3=48+ 6=12X8=27X3=56+ 4=24+ 8=14X2=83-45=100+5=16X60=20X 420=29X

2、 3 0=8100+ 3 =760 + 2 =760 + 4 =680+270=980+ 4=4200+ 30=6X 1300=1300X 5 =200X48=930-660=530+280=920 + 4 =190+2 =20X 16=870+3 =30X 33 =3X140=960+8 =14X 30=880+ 4 =960+8 = 750-290=5X490=760X 2 =7500+5=37X20=650+ 3= 860-420=240X 4=640+ 8 =15X 10=12X11 =160X3=220X 4 =104X5=450+ 5 =120X2=90+ 3 =270+ 3 =7

3、00+4=3X1400=50X11 =350X2=49X50=984-2 =76-9=66-7=100-54=123+15=360-4=55-5=67+580=580-490=910-370=25X8=270-190=36X2=75-5=330- 1 =6X800=540-9=420-6 =3X330=300X7=9X500=560-7 =480+ 2=350-7=370+560=520+490=450-90=80+330=70X7 0=700-7=400-8=240+2=420-90=170+320=100-51 =910-190=35X2 0=22X20=88 + 4=90-3=6X300

4、=15X 5=12X50=27X3=48+4=90+ 9=24 X 20=32X3=48+16=12X8=27X3=56+ 4=76- 39=605+59=24+ 8=14X 2=83-45=96+ 4=40+ 2=40X 30=16X 30=12X8=27+ 32=48+ 27=120X6=30X23=123+15=280+270=200X3=4X250=310-70=400X4=470+180=60X60=20X42=29X30=680+270=6X130=13X50=20X48=930-660=360+ 4=530+280=18X50=20X16=300X3=60+ 2=14X30=5X400=370X200=65+ 13=15X 10=84+ 21 =100-54=12X11 =22X40=104X5=120X2=90+ 30=27X30=55+ 5=32X6=35X2=140X7=13X 6 =280X3=370+580=250X6=720+900=410-201 =125X8=750-290=48X20=390+140=11 X 80=24X50=530-70=4