文档介绍：43+51=43-31=64+36=78-30+6=22+62=50—17=87-32=78-29-15=19+42=70-36=34+26=31+9+16=35+22=71-25=43+17=52-37-10=45-27=32+18=56+24=63+14+18=80-58=44+51=13+66=98-35-29=62-57=13+76=67-28=24-20+56=23+65=83-25=17+53=82-12+29=61—33=60-26=40+53=95-25-8=72-17=64+15=92-64=16+34-20=52-24=80-16=85-24=56-13+26=30+25=73-18=19+42=25+51+14=67+28=84-56=54-42=76-38-5=85+12=25-13=23+47=37+16-11=68+29=56+46=30+55=46-28-16=72+27=51-43=40-15=28-16+40=64-15=80+16=20+50=17+18+30=42-19=75-11=23+52=95-40+45=98-58=93-46=88-19=19+27+11=80-16=48+12=52-26=42+8+15=34-26=28+30=33+55=69+11+20=55+40=34+66=20+56=66+25-37=86-24=39+51=98-22=42+17-33=64-36=69+25=31-13=61+13-19=68+18=41-12=90—19=38+15+17=小学二年级(上册)口算练****2)班级姓名________________  96-17=1+99=36+47=55+44-70=62-15=38+46=42+19=40+50-70=77-48=65-27=90-18=77-44+32=28+56=96-44=56+27=81-11-19=37+38=72-25=50-18=36+17+14=35+39=73+24=37+53=16+40+7=28+63=60-17=66+24=78-9-20=66+29=62+38=57-39=49-25-11=90-68=78-19=45+36=14+23+46=84+9=54-25=51-15=50+29-16=91-53=95-66=15+48=52+13-35=49+25=38+16=23+58=73-39+20=22+39=62+38=65+29=52+20-24=81-59=46+18=43+49=89-37+9=52-19=36+49=76-35=75-45-15=39+29=97-58=27+34=57-17+18=53-19=49+47=85-26=26+13-19=64-15=36+39=56+17=46+25-11=28+67=82-63=71-48=16+27-18=58+43=77-38=37+48=19+56-62=74-55=53-29=56-29=63+17-50=66-49=14+59=81-34=36-16+12=79-64=95-57=80-63=27+18+13=51-35=77+13=18+37=34-17+17=15+45=25