小学三年级下册数学口算题350道

1、三年级口算题10X2=7247=20X5=27+15=20+2=63+3=27X5=510+3=40X9=23X30=84+4=15+3=12X4=513X9=4X815=99+9=75+5=205+5=46X10=24X20=872-124=27+127=7004-5=350+70=591+3=8X122=1784-2=30X80=8004-8=265+85=110X35=901+3=0245=0X245=0+245=245+5=3000-300=605+5=50X50=306+3=702-199=4804-3=120X80=27X8=62X15=860+4=19X5=40X20=520-4

2、30=51X17=15X61=87+3=91X31=8010=465+5=870+8=400X20=210+7=4500+9=5X80=300X30=88+112=3804-7=36X8=86X7=27X90=33+3=880+8=480+8=22X22=16X50=19X39=2704-30=92X7=38X60=14X4=130X4=810+3=72-24=16X4=8X7+6=6X7+6=36+3+2=5X5+4=5024+4=9+94-9=800-8004-4=8X9-7=72-72+6=8+2X10=90-304-3=6X80-20=12X34-3=5X8-8=57X3X0=86-8

3、64-2=8X2X7=24+15+6=18+34=50X6+0=45+55+5=70X(40-32)=300+2+5=960+4+2=51-4X6+3=3000-6X408=500412+4=(400-394)X706=1+2+3+4+5+6+7+8+9+10=1+11+111+1111+1111=1+12+123+1234+12345=10000-1000-100-10-1=5+5=25X4=04-5=20X22=108X3=120X4=30X33=61X4=560+7=810+9=700+5=300+3=40X300=70X700=75X2=0X99=84+4=540+9=0+1=88+8

4、=19X2=12X70=25X40=45X3=99X10=310X3=0X666=1X566=80X200=6X11=999X0=203X5=820X3=17X30=96+3=105+5=840+6=25+4=123+4=04-3=75+125=1000-29=30X24=21X50=1504-30=77+7=330X20=408X4=123X6=55X4=11X10=560+7=66+5=3904-5=200+2=80X500=100X100=92X0=40X500=9904-9=125X8=45X4=12X12=309X6=600-50=56X2=200 - 36= 15+5X 3=380

5、+50=36 X 20-20=52X3-56=30 X 40-800=(790-700) X30=12X (64+8)=04-89=199+0+6=204-5X11=4X50+5=179+810+9=81+9+3=2X(69+21)=27+3X15=63+3X30=240-100X2=350+300+3=54+23X2=(65+35)+2=64+8X9=0X3X20=0X78+25=80+80X6=2X(75+125)=730-210+190=825+20 X 50=13X(64+8)=1004-1X0=404X2+20=120+4X0=900-200X2=2+5X10=2740X2=0X8X

6、99=40X40-90=80X2+4=0+9X30=75 +21=25X3=85-42=581 + 12=60+4=400X5=57+140=6X80+20=81 25=66-22=55+41=51 + 31 =64X10=528-0=420 + 7=60X5=6957=268+125=90-31=400X5=120-50=50-31=800X2=420-330=49+37=280+40=60X9=45+3=300-64=425X0=3000-400=5X28=40+8=46X20=30X4=13X3=6+6X7=450+80=17X3=212+88=630+9=350+7=700X2=18X

7、4=320X3=60X15=72+6+2=400X3=8+2X20=22+40=7X8-7=56+8=380-190=400X6=50-23=35X0=40X6=300X6=7+3X4=90-26=8X6+7=522+23=6X4+2=120X4=80X5=40X5=15X5+5=789+0=300+5=15X4+8=680X0=40X25=6X6+6=436-24=111X9=120X3=360+80=300X7=85+247=310X3=200X5=320X2=660+6=700X2=80X3=70+550=800X6500X4=540+9=14X5=350-80=570+50=23X3=180+3=200X8=530-70=850X2=26