二年级数学（上册）数学口算题专项练习(2)

二年级100以内加减法口算题（1)40+15=91-75=45+33+7=94-56=96-13=25+26+4=57+28=12+9+414+16+44=72-46=73+11=44-18=45+30=16+27=86+8+2=63-17=69+19=38+37+13=36+22=4+22+8=58+3+7=28+6222+19=15+63=70-6=39+32=89+1+942-27=37-2945+15+15=57-2=33+2+3833+59+19=18+25=96-7049+3961-35=48-4=56+33+7=71+1611+49-=34+5+548-39=77+21+913+46+2416+72=55+27=97-83-59+21=80-5486+8+2=71-5939+34=13+16+54=66-6=82+7+3=32+34+26-44+16=25+23=76-65-39+26=24+18=2+80+10=63-3=97-3954+21+952+12=62+5+15=39+35+1842+29=22-22=51+15=66+1442+1662+27+3=54+12=71-13=17+28+28=14+27=80+8+2=53+8+12=13+41=66+13=73-52=43+28=23+11=69+20+1069+17=24+1955+31+949-12=59+30+10=16+58+1273-71=72+5+553+1746+39=90-35=27+29=63-7=