小学三年级数学口算练习题 1000 道

1/17800X2=88024=80024=39023=1200－200=33023=50 三 5=11X7=83－57=65+15=80－46=29+68=66026=0251=68－49=3X800=0276=80X7=42027=0X85=80024=3X220=7027=33023=48024=14X2=3X23=58+33=5X900=6422=420－20=2X200=58+26=26+9=8424=34X2=57－38=0291=55025=1500－700=93023=800X8=42X2=0+22=42022=9923=9323=6323=77027=83－57=16024=96023=29+68=800+700=66023=68－49=69023=18029=80X7=58－0=2/172X440=66022=3X330=48 三 2=64028=69023=48022=88024=49＋33=60X5=7500－500=70027=2X44=0291=23X3=84024=12X4=78－36=44024=3X31=11X4=32X3=0X57=230X3=4824=120X4=310X3=54029=0X97=39023=9029=36029=230X3=13X3=44X2=11X4=600X7=96023=82－55=120X3=32X2=310X3=48022=2X440=72029=3923=46022=4700－700=56028=70＋500=60023=99023=3X33=48＋28=3X200=28024=64028=62022=9X400=48028=3/177X50=1200－700=50X6=80028=30026=68022=88028=50X7=62022=9X500=0X37=6X800=80+17=53－14=96023=54＋28=17+27=1500－900=42X3=84024=1800－800=1700－800=2X14=6323=9023=14022=26+57=18023=66026=80028=30025=7X800=33+57=93023=7X700=600X3=80024=84022=37+8=60－15=430X2=48028=90023=54029=63023=45029=31X3=62－33=36026=13X3=500+500=37+56=34+56=33X2=32X3=9623=80022=70X7=2X330=70028=4/170 三 47=24X2=21X40=56027=30X70=12X10=44024=10X74=31X2=9323=50X10=14X20=24X2=70X11=6X90=0254=30X40=20X33=23X3=24X20=90X20=12X30=12X20=20X13=7X80=30X21=31X20=48X10=20X70=22X3=40X40=28X1=60X90=40X10=20X13=39X10=23X30=1X36=21X2=60X50=10X19=44X20=70X80=11X50=12X4=10X68=30X30=22X30=40X50=28X10=22X4=30X21=20X50=30X80=7X11=10X36=33X10=50X70=30X33=50X90=5/1712X40=13X30=84X1=220X3=23X30=900X6=22X40=4X90=34X20=90X40=60X60=33X30=200X3=60X40=31X20=41X20=90X30=700X6=21X30=21X40=84X10=10X46=30X20=9X800=3X700=40X90=70X30=33X30=2X31=2X42=20X41=33X20=86－47=6X600=40X70=5X90=24X20=48＋19=22X30=50X30=70X6=6X500=0X45=4X900=8X70=50X70=2X310=42X20=800X7=20＋35=400＋300=60 三 6=45＋35=5X900=10X89=32X20=10X33=69X10=70X60=22X0=6/1780X70=65X0=12X20=200X4=33023=30X80=0^20=25025=41X20=6X60=680－80=97X10=22X40=21X40=70027=44＋20=80X40=33X30=40X40=10X37=0259=43X20=20X50=11X80=46＋37=2000＋300=20024=42026=...