小学数学二年级上册口算题.doc

3+24=69-34=48+46+4= 41+29=38+36=3+22+68= 62+12=78-28=73+9+16= 36+31=66-41= 61+2+18=35-17=75-34=39+37+3=72-19=69-322+39+16=75-55=71-43=81+1+6=12+59=56+25=39+18+2=66-39= 44+29=45+22+19=82-48=32-18=13+5+35=69-39=69+16=63+17+9=49-22=43+29=39+29+19=51+29=69+12=33+29+19=52+35-61=44+17+33=67-64=67-34=67+17+3=43+17=90-46=8+26+34=44+17=33-13=31+25+35=80-46=63+19=29+16+36=35+29=68-22=46+17+13=90-65=80-66=39+27+3=72-17=95-66=36+29+16= 0-31=57+18=73+26+4=57+26=82-17=45+16+29=50-29=74-65=32+23+39=92-27=76-38=46+25+5=54+29=80-28=29+36+24=59+25=51+39=36+13+27=34+33=17+49=46+53+7=85-39=56+26=29+28+39=83-35=56-49=27+35+28=94-39=54-15=34+29+18=74- 39=70-24=45+ +39=80-46=72-52=38+36+19=68+17=49+37=39+37+19=81-28=65-16=39+16+19=56+29=53+29=53+19+13=36+3=50-31=45+27+3=51-48=46+13=29+38+24=68+15=67+13=29+28+35=64+29=81-22=28+16+19=29+65=43+19=36+39+18=91-65=24+29=39+18+22=67+26=63-27=46+36+18=99-73=90-36=48+13+27=68-55=85-26=12+17+13=67-37=25+28=65+21+9=80-57=44+36=37+16+24=28+23=59+16=73+17+3=62+19=91-24=46+29+16=79-65=45+19=32+19+35=47+23=56+18=29+32+8=82-19= 39+25=29+23+15=82-17=56+29=53+29= 92-38=38+54+19=46+26=90-14=34+60+10=40+15=96-13=4+16+44=45+30=69+19=58+3+7=70-6=37-29=33+59+19=61-35=11+49=13+46+24=59+21=39+34=32+34+26=39+26=97-39=39+35+18=66+14=71-13=53+8+12=43+28=24+19=16+58+12=46+39=91-75=25+26+4=72-46=16+27=38+37+13=28+62=39+32=45+15+15=18+25=48-4=34+5+5=16+72=80-54=13+16+54=44+16=24+18=54+21+9=42+29=42+16=17+28+28=13+41=23+11=55+31+9=73-71=90-35=45+33+7=57+28=73+11=86+8+2=36+22=22+19=89+1+9=57-2=96-70=56+33+7=48-39=55+27=86+8+2=66-6=25+23=2+80+10=52+12=22-22=62+27+3=14+27=66+13=69+20+10=49-12=72+5+5=27+29=94-56=12+9+41=44-18=63-17=4+22+8=15+63=42-27=33+2+38=49+39=71+16=77+21+9=97-83=71-59=82+7+3=76-65=63-3=62+5+15=51+15=54+12=80+8+2=73-52=69+17=59+30+10=53+17=63-7=40+29+1=