小学二年级数学口算速算练习(10分钟100题).doc

3+24=64=44=41+20=30+36=38= 62+12=78-28=76= 36+31=66-41= 61+2=37-17=74=39+10=72-10=62=36=75-55=77-43=86=12+50=56+22= 38+8=69= 40+29=45+22=88=38-18=13+5+35=69=69+16=67=49-22=43+20=39=51+20=62=39=52-11=44+17+33=67-24=64=17+3=43+17=96=84=47=83=31+25=80-40=63+19=29+30=35-29=68-22=46+13=90-60=86=33=77=96=36+22= 10-3=58=76=57+20=89-17=45+10=59=79-65=2+23=99-27=79-38=46+25+5=54+21=80-28=36+23=50+25=50+39=36+13=40+33=17+40=47=85-39=53+26=29+20=85=59-49=37=69-48=57=59=81-9=17+32=57-30=17+30=67=93=59-53=99=648=819=2000+200=153=12+2+50=4976=5492=366=364+15=36+54=61-26-7=47+6-5=80-39=637=82=64+8=14-9=72-8=62=203=2003=8200=240=508=904=900+90=450-400=272=426=324=273=56+7=9000+1000=1000-300=369=75+4=75-4=46-8=26+6=37+6=( )-100=200( )-150=15943-( )=416+( )=4519+( )=384( )=3635( )=571+( )=10039+( )=4521-( )=11( ) 3=8( ) 9=7130-70=34+64=73-3=130-55=34+60=420-( )=400210-( )=30470-80=145+45=( ) 5=5( )-33=4472( )= 9( ) 9=3( )-3=44( )-44=4436-6=39+6=1000-600=648=490-90=300+60285=529=487=759=465=387=365=309=508=224=495=719=809=507=304=208=103=406=667=778=556=445=334=224=113=