两位数加减一位数口算题 2(4 页)Good is good, but better carries it
精益求精,善益求善
50-8=31-4=95+7=74+9=21-2=8+53=27-8=9+48=92-7=77-9=0+92=13-9=8+26=0+20=42-8=4+63=49-=319-3=16+5=67+2=41+7=22-2=84+8=3+20=3+37=57-3=73-7=42+8=65+9=6+73=14-1=0+64=34-9=94-7=40-6=5+86=75-6=41-6=18-0=72+9=1+60=94-0=73+7=2+32=84-5=76-2=5+13=15-3=85-2=64+5=11-6=23-=253+9=66+5=6+85=54-8=69-7=16-5=49-4=4+17=34+7=35-5=96-4=11+2=96-7=21+6=18-6=58+6=6+57=27-9=99-7=2+44=87-8=8+19=12-2=9+30=80+9=58-9=10+3=8+30=89+8=93-2=5+78=30-6=89-6=97-9=0+4 =02+30=74-2=3+49=72-0=3+97=61-7=60-2=82+9=28+1=7+22=41+2=17+6=1+89=65-8=8+39=7+72=47+9=33+7=2+98=72-6=15+6=2+54=10-4=67-3=58+2=11+5=88-5=3+17=57+3=17-3=21+4=32-6=40+7=13-5=47-=27+32=40-7=24-9=96-5=86-5=3+64=66+4=36-4=63-7=15-8=9+70=59-9=37-4=3+94=47+1=35-2=35-9=77+0=27-3=89-2=55+7=34+8=54+7=86-6=64-6=