两位数减一位数退位减法口算题.doc

两位数减一位数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= 两位数减一位数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= 两位数减一位数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= 两位数减一位数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、减法口算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+65 69-3= 53-5= 36-3= 7+46=5+84 51+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、减法口算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= 71-5