兩位數(shù)減一位數(shù)退位減法口算題

兩位數(shù)減一位數(shù)75-7=22-7=71-9=23-2=12-8=21-2=91-4=53-8=61-8=56-7=16-6=27-9=29-20=78-9=60-5=94-70=61-9=54-5=79-60=46-7=71-20=80-4=91-6=83-5=50-9=97-3=75-9=11-6=53-7=31-20=85-9=98-5=96-2=73-9=11-5=12-3=14-7=60-1=36-7=80-3=52-6=31-5=32-7=12-5=48-9=76-8=64-6=71-7=58-4=65-9=兩位數(shù)減一位數(shù)62-3=97-9=59-4=32-7=70-40=41-5=99-4=91-5=66-5=50-4=48-5=72-9=10-2=54-7=68-6=11-9=30-8=53-5=94-8=73-8=21-4=70-7=42-7=33-6=84-5=42-8=33-7=86-4=98-9=57-9=63-7=91-5=31-2=22-9=90-6=71-7=20-6=51-2=10-4=70-1=50-6=86-80=41-4=54-7=34-8=44-8=76-8=37-9=78-20=22-9=兩位數(shù)減一位數(shù)12-9=71-2=30-5=23-7=83-8=63-5=72-4=41-3=57-8=52-5=67-8=81-7=71-4=53-8=63-5=20-2=61-7=66-9=13-5=52-5=97-8=40-3=98-9=84-8=66-9=95-8=77-9=52-6=44-5=71-9=62-7=44-9=63-7=97-8=40-9=20-9=52-5=73-7=76-7=63-4=31-9=71-2=37-8=15-8=54-7=75-9=61-8=71-4=74-8=94-5=兩位數(shù)減一位數(shù)22-7=25-6=87-8=41-7=43-6=95-8=30-5=70-9=73-4=12-6=11-4=50-5=90-8=87-8=30-6=44-5=93-6=44-8=11-9=90-1=23-7=53-6=82-3=13-5=20-2=30-9=20-5=92-9=61-4=19-2=14-6=73-9=54-9=13-7=41-4=14-5=91-5=62-5=25-9=35-9=51-2=34-5=13-4=13-5=46-9=65-8=74-5=56-8=76-8=52-9=加、減法口算52-6=66-7=71+4=30-9=33-9=45-9=85-7=32-7=53-8=50-2=7+45=46-8=30+64=78+2=43-6=96-4=24+8=64-8=77-6=7+66=71-5=17+9=23-9=24+9=62-4=56+7=13-6=61-8=43-9=1+10=0+6569-3=53-5=36-3=7+46=5+8451+0=15-4=79+5=89+0=80-6=86-3=41+8=25+4=6+34=46+7=39+1=60+0=79-0=36-5=加、減法口算22-9=55+4=9+31=4+22=26+5=34+4=15-9=9+90=67+8=33-4=4+85=18-7=2+40=37-7=97-3=48-8=76+6=3+13=9+50=7+39=10+31=46-3=91-0=9+21=95-7=42+2=8+40=9+45=75-2=72-5=31+5=87+0=98-5=78+7=