口算两位数减一位数

退位减法口算练习题班级_______________ 姓名__________________81-7= 36-7= 31-7= 10-3= 34-5= 55-8= 15-9= 12-4= 55-9= 25-6= 20-6= 62-9= 92-7= 74-9= 23-6= 10-5= 92-5= 10-8= 31-5= 12-4= 92-5= 65-8= 50-4= 16-8= 12-6= 75-7= 15-6= 82-5= 93-9= 45-7= 85-9= 92-8= 31-6= 62-5= 45-9= 10-6= 82-5= 95-8= 23-4= 50-3= 43-4= 70-5= 31-7= 51-2= 82-3= 92-5= 25-9= 44-6= 73-8= 90-6= 76-7= 32-9= 10-7= 33-5= 70-2= 12-7= 46-8= 45-6= 41-7= 23-9= 90-7= 10-4= 72-6= 21-5= 23-5= 81-2= 52-4= 73-6= 81-5= 16-8= 70-4= 80-8= 44-6= 60-5= 51-5= 80-9= 72-4= 94-5= 13-8= 64-8= 31-5= 20-2= 13-7= 32-4= 71-6= 53-7= 51-3= 50-5= 72-3= 67-8= 74-9= 50-2= 61-5= 27-9= 32-3= 72-7= 70-5= 32-6= 73-7= 60-3= 61-7= 50-1= 45-6= 63-6= 40-8= 47-8= 27-8= 63-4= 82-3= 44-8= 43-5= 96-9= 71-3= 52-4= 72-9= 51-3= 80-5= 50-2= 93-4= 30-9=退位减法口算练习题班级_______________ 姓名__________________31-4= 85-6= 41-7= 32-3= 30-2= 35-8= 81-4= 60-8= 92-3= 31-4= 22-3= 35-7= 10-1= 83-8= 66-7= 56-7= 73-9= 90-8= 60-4= 44-7= 71-7= 65-9= 96-9= 15-9= 82-9= 42-5= 13-6= 20-5= 13-5= 63-4= 80-8= 18-9= 10-1= 82-9= 22-5= 32-3= 22-5= 98-9= 91-2= 62-7= 41-4= 65-7= 64-6= 12-4= 60-2= 55-8= 30-8= 62-9= 91-6= 44-6= 21-4= 54-6= 62-3= 77-9= 30-7= 20-2= 30-3= 70-6= 50-3= 25-9= 12-3= 92-8= 65-8= 10-7= 11-5= 81-8= 25-6= 63-6= 16-9= 42-4= 51-6= 41-5= 81-5= 13-6= 11-2= 54-6= 62-3= 64-8= 24-7= 41-4= 75-7= 22-7= 71-9= 20-2= 12-8= 21-2= 91-4= 53-8= 61-8= 56-7= 15-6= 26-9= 22-9= 78-9= 60-5= 94-7= 61-9= 54-5= 78-9= 46-7= 71-2= 80-4= 91-6= 83-5= 50-9= 90-3= 75-9= 11-6= 53-7= 31-2= 85-9= 95-8= 92-6= 70-9= 11-5= 12-3= 14-7= 60-1= 30-7= 80-3=退位减法口算练习题班级_______________ 姓名__________________52-6= 31-5= 32-7= 12-7= 48-9= 76-8= 64-6= 71-7= 50-2= 65-9= 62-3= 97-9= 90-4= 32-7= 70-4= 40-5= 94-9= 91-5= 66-7= 50-4= 40-1= 72-9= 10-2= 54-7= 60-8= 11-9= 30-8= 53-5= 94-8= 73-8= 21-4= 70-2= 42-7= 33-6= 84-5= 42-8= 33-7= 84-6= 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= 86-8= 41-4= 54-7= 34-8= 44-8= 76-8= 37-9= 70-2= 22-9= 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= 22-7= 25-6= 87-8= 41-7= 43-6= 95-8= 30-5= 70-9= 73-4= 12-6=退位减法口算练习题班级_______________ 姓名__________________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= 10-5= 20-2= 30-9= 20-5= 92-9= 61-4= 11-2= 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= 52-6= 66-7= 71-4= 30-9= 33-9= 45-9= 85-7= 32-7= 53-8= 50-2= 71-5= 17-9= 23-9= 24-9= 62-4= 13-4= 84-6= 22-6= 23-8= 24-8= 35-7= 82-5= 31-6= 73-5= 30-2= 63-6= 15-6= 20-1= 76-9= 70-7= 90-2= 81-5= 55-7= 31-8= 13-9= 80-8= 20-8= 22-7= 95-9= 95-7= 61-6= 30-3= 32-6= 82-5= 32-9= 91-2= 52-4= 12-6= 86-8= 97-9= 17-8= 70-3= 84-7= 81-8= 81-2= 85-7= 20-2= 53-6= 20-7= 30-6= 12-9= 82-6= 76-8= 26-7= 61-4= 80-4= 65-8= 52-9= 41-7= 12-5= 41-7= 63-4= 41-7= 52-4= 66-8= 26-9= 20-8= 61-7= 36-7= 73-6=退位减法口算练习题班级_______________ 姓名__________________82-7= 12-4= 51-9= 44-5= 66-7= 66-9= 46-9= 80-7= 31-2= 42-4= 23-5= 94-7= 41-4= 20-7= 90-5= 44-7= 66-8= 22-6= 91-6= 93-6= 13-6= 10-8= 51-9= 95-6= 92-7= 75-9= 62-4= 95-7= 20-8= 10-4= 13-5= 60-7= 50-1= 22-3= 53-4= 40-8= 24-9= 76-9= 94-9= 95-8= 55-7= 31-7= 63-9= 32-3= 62-7= 83-7= 61-4= 51-9= 45-9= 41-9= 61-2= 25-9= 26-7= 61-8= 54-5= 20-7= 31-3= 71-6= 53-9= 21-6= 63-6= 34-6= 63-6= 13-5= 62-4= 41-3= 80-8= 14-8= 12-6= 70-5= 24-5= 13-9= 91-3= 15-7= 30-4= 86-9= 74-5= 31-3= 51-3= 55-8= 57-9= 21-4= 15-9= 12-7= 14-9= 42-5= 41-7= 45-7= 91-5= 32-7= 60-2= 50-9= 67-8= 25-7= 21-9= 74-6= 91-5= 14-6= 63-4= 31-5= 71-5= 62-9= 52-7= 73-7= 10-5= 20-8= 43-5= 30-9= 91-9= 30-7=退位减法口算练习题班级_______________ 姓名__________________81-7= 42-6= 52-4= 25-8= 50-8= 12-4= 73-6= 76-7= 41-9= 38-9= 81-9= 85-8= 80-5= 72-3= 46-9= 93-6= 42-5= 35-9= 60-9= 38-9= 45-8= 20-2= 11-2= 32-9= 52-4= 46-9= 40-7= 61-8= 13-7= 96-8= 14-8= 81-3= 24-8= 66-7= 64-9= 91-9= 72-4= 67-9= 80-1= 82-3= 22-6= 52-6= 83-8= 96-8= 62-5= 64-7= 21-2= 25-6= 40-4= 82-3= 45-8= 41-5= 72-5= 80-9= 43-4= 97-8= 35-6= 42-8= 40-6= 48-9= 80-8= 66-8= 31-7= 92-8= 41-3= 67-9= 61-7= 50-3= 67-8= 86-7= 41-3= 61-4= 33-4= 12-3= 14-6= 20-9= 73-8= 63-4= 43-8= 38-9= 22-8= 97-9= 23-6= 51-5= 22-4= 41-8= 18-9= 57-8= 47-8= 80-2= 80-7= 83-9= 30-5= 63-8= 72-6= 88-9= 13-8= 63-4= 13-6= 94-6= 76-8= 22-4= 42-8= 46-9= 72-6= 67-9= 47-8= 95-8= 75-7= 51-3= 71-7= 60-6= 13-4= 95-7= 66-7= 10-6= 31-7= 11-7= 20-8= 46-8=退位减法口算练习题班级_______________ 姓名__________________97-9= 12-3= 71-2= 84-8= 12-6= 21-9= 73-8= 81-6= 96-9= 51-9= 16-7= 72-6= 82-3= 52-4= 55-6= 33-8= 80-5= 11-3= 43-4= 90-9= 31-9= 62-5= 10-4= 55-6= 11-3= 70-4= 22-3= 66-8= 44-9= 46-7= 75-7= 83-7= 62-4= 96-7= 40-7= 73-6= 70-8= 41-3= 75-9= 25-7= 84-8= 50-5= 10-6= 11-5= 93-4= 56-8= 90-5= 44-5= 58-9= 46-9= 23-5= 90-4= 80-3= 93-5= 92-5= 93-4= 71-2= 20-6= 61-3= 41-8= 23-6= 57-9= 86-8= 25-9= 90-5= 73-5= 15-9= 81-6= 63-4= 52-5= 72-4= 34-9= 67-9= 74-7= 41-2= 70-7= 22-7= 51-8= 63-9= 82-7= 94-9= 17-9= 38-9= 43-6= 42-5= 63-8= 56-8= 54-5= 77-9= 87-8= 60-3= 51-9= 54-9= 26-7= 52-8= 30-8= 73-8= 20-1= 24-6= 62-8= 90-1= 91-2= 62-8= 95-8= 61-4= 15-7= 40-4= 14-8= 54-5= 36-7= 53-4= 85-8= 41-7= 64-9= 93-8= 71-7= 42-4= 73-4= 54-7= 73-6=退位减法口算练习题班级_______________ 姓名__________________60-6= 81-6= 71-7= 10-8= 92-7= 92-7= 20-2= 52-9= 94-8= 27-8= 40-6= 80-9= 85-8= 91-9= 80-7= 20-4= 64-6= 23-5= 23-7= 42-7= 96-7= 40-5= 90-1= 42-8= 10-3= 80-6= 81-3= 20-5= 50-8= 26-9= 91-9= 62-4= 44-9= 41-9= 54-8= 91-8= 90-2= 41-2= 74-9= 17-8= 62-8= 90-4= 23-4= 43-4= 62-8= 90-3= 50-2= 64-6= 15-9= 33-8= 92-4= 52-4= 21-7= 42-8= 60-3= 25-7= 33-6= 71-5= 82-6= 21-8= 61-3= 11-2= 33-6= 76-7= 52-5= 54-9= 32-3= 52-6= 72-4= 80-5= 21-3= 87-8= 32-7= 60-8= 83-5= 72-6= 92-7= 41-7= 23-6= 65-8= 76-9= 22-4= 41-3= 70-8= 54-8= 74-9= 84-7= 75-6= 97-8= 54-9= 72-5= 14-6= 61-6= 40-7= 22-3= 31-2= 36-7= 40-5= 42-3= 94-6= 30-6= 95-8= 11-2= 31-9= 55-7= 60-1= 42-7= 15-8= 25-9= 20-2= 42-9= 55-7= 81-9= 85-9= 13-4= 13-5= 60-2= 74-8= 92-6= 90-8=退位减法口算练习题班级_______________ 姓名__________________53-7= 75-8= 60-8= 56-9= 46-9= 90-8= 77-8= 43-9= 33-6= 63-7= 81-9= 33-8= 82-6= 24-6= 52-8= 94-7= 52-3= 40-8= 88-9= 92-6= 63-5= 72-6= 28-9= 90-9= 25-7= 35-8= 80-5= 93-9= 36-7= 80-2= 50-3= 15-7= 84-5= 73-6= 52-8= 11-3= 54-5= 73-4= 26-8= 86-7= 95-8= 15-7= 44-6= 11-7= 96-9= 80-5= 82-8= 38-9= 81-6= 23-4= 20-3= 75-8= 50-4= 82-4= 93-6= 76-7= 51-3= 23-6= 22-7= 60-1= 42-5= 85-7= 65-8= 62-4= 42-9= 11-3= 12-4= 81-7= 12-7= 75-8= 80-7= 62-8= 32-6= 50-5= 52-4= 10-1= 68-9= 90-6= 86-8= 35-9= 13-5= 90-2= 34-6= 54-8= 92-9= 53-7= 24-6= 61-2= 90-5= 94-6= 30-5= 45-7= 61-5= 22-3= 80-7= 40-4= 51-2= 62-3= 66-7= 41-4= 43-6= 98-9= 72-4= 33-9= 10-8= 56-7= 90-4= 24-5= 53-4= 73-9= 37-9= 98-9= 70-6= 74-8= 52-8= 70-2= 52-5= 44-9= 12-7= 64-5=退位减法口算练习题班级_______________ 姓名__________________94-5= 70-4= 21-5= 77-8= 36-8= 85-6= 91-6= 83-8= 14-5= 50-4= 85-7= 40-5= 60-1= 82-6= 10-2= 10-7= 12-5= 92-5= 52-4= 86-8= 73-4= 10-6= 32-7= 33-6= 90-8= 11-9= 71-4= 21-6= 83-5= 73-7= 60-9= 82-7= 78-9= 33-6= 90-5= 20-1= 74-5= 72-7= 51-7= 51-2= 64-7= 86-8= 10-4= 22-3= 64-9= 43-8= 66-7= 21-2= 24-8= 92-7= 51-7= 42-7= 76-9= 61-4= 73-8= 28-9= 23-9= 24-7= 21-7= 22-3= 21-4= 10-4= 84-9= 56-7= 61-9= 96-7= 41-7= 91-6= 96-8= 62-4= 61-3= 40-6= 87-8= 84-9= 21-6= 25-7= 80-8= 24-6= 50-7= 70-8= 82-9= 22-3= 31-5= 50-9= 30-4= 13-5= 66-9= 83-5= 61-7= 71-2= 55-9= 64-6= 15-8= 53-5= 35-9= 41-7= 51-7= 72-3= 11-9= 66-7= 82-8= 40-7= 14-8= 64-6= 11-8= 22-3= 73-6= 83-9= 17-8= 23-7= 63-5= 35-9= 14-6= 22-6= 10-8= 67-8= 34-9= 65-7= 71-3= 57-8=退位减法口算练习题班级_______________ 姓名__________________52-3= 10-8= 50-2= 16-8= 51-7= 65-6= 70-3= 13-9= 52-3= 96-7= 62-6= 73-6= 45-6= 11-3= 81-7= 25-8= 35-8= 13-8= 12-5= 51-2= 50-7= 75-8= 70-5= 51-3= 70-7= 42-8= 21-5= 27-8= 82-6= 92-8= 80-3= 35-8= 62-4= 32-7= 20-5= 20-9= 63-4= 61-3= 84-5= 40-4= 62-4= 86-8= 80-3= 93-8= 90-3= 96-8= 42-8= 33-9= 21-2= 10-8= 96-7= 31-8= 97-9= 87-8= 97-9= 70-9= 54-7= 81-9= 45-9= 43-4= 52-6= 52-8= 91-8= 84-8= 14-6= 53-9= 91-2= 46-7= 55-9= 61-6= 10-3= 44-7= 20-3= 50-6= 32-8= 23-5= 80-7= 70-9= 91-8= 50-7= 50-5= 32-7= 20-3= 83-9= 31-3= 82-8= 41-5= 10-7= 60-7= 14-5= 11-5= 42-7= 28-9= 93-8= 42-6= 22-4= 50-2= 41-3= 21-9= 84-8= 11-9= 93-6= 80-3= 33-6= 83-5= 41-7= 25-7= 54-9= 30-9= 74-8= 53-5= 51-3= 21-6= 74-8= 81-7= 52-4= 86-8= 52-9= 11-2= 14-6=退位减法口算练习题班级_______________ 姓名__________________73-5= 65-9= 85-8= 15-9= 70-9= 82-5= 20-1= 22-6= 72-7= 65-6= 42-7= 35-7= 93-4= 13-7= 21-4= 35-7= 20-8= 40-7= 16-8= 42-5= 97-9= 36-7= 27-9= 81-9= 21-2= 82-9= 57-9= 82-5= 41-9= 42-8= 80-3= 80-1= 70-9= 15-6= 77-8= 62-5= 62-4= 70-7= 88-9= 41-8= 40-3= 13-9= 36-9= 85-9= 14-9= 85-7= 63-6= 16-7= 22-9= 95-7= 65-6= 41-6= 15-9= 40-8= 66-8= 44-7= 72-9= 91-9= 52-5= 70-3= 80-6= 72-9= 26-9= 13-8= 40-9= 24-5= 51-2= 81-5= 73-5= 72-4= 53-9= 73-9= 41-2= 96-8= 22-4= 63-5= 67-8= 90-9= 37-9= 13-5= 84-7= 93-6= 95-9= 41-5= 80-1= 95-9= 54-6= 92-9= 22-4= 33-4= 80-8= 91-9= 97-9= 52-4= 27-9= 43-7= 70-9= 61-3= 40-9= 40-8= 61-8= 30-8= 61-3= 34-8= 15-6= 51-4= 61-2= 64-9= 94-6= 32-5= 75-8= 30-9= 74-9= 46-9= 20-6= 41-8= 51-3= 20-6= 43-8= 76-7=退位减法口算练习题班级_______________ 姓名__________________92-8= 10-5= 71-9= 24-8= 98-9= 70-7= 73-8= 54-8= 90-8= 15-7= 32-8= 50-5= 81-9= 91-7= 73-8= 91-8= 81-3= 52-8= 20-1= 54-5= 23-8= 80-1= 71-3= 40-5= 62-6= 21-3= 35-6= 32-8= 40-9= 31-7= 23-4= 26-7= 40-8= 52-9= 40-6= 41-2= 86-8= 32-8= 60-7= 84-6= 41-9= 14-9= 34-5= 52-8= 71-3= 23-6= 74-5= 94-9= 91-7= 81-9= 48-9= 23-6= 72-4= 23-4= 81-3= 10-9= 25-6= 32-4= 75-9= 95-6= 82-8= 61-8= 41-9= 50-1= 14-9= 73-8= 11-6= 52-8= 31-6= 40-5= 41-6= 61-6= 82-5= 23-9= 52-3= 52-5= 56-8= 92-6= 46-8= 67-9= 22-3= 55-6= 51-3= 70-2= 28-9= 26-8= 96-7= 51-9= 90-2= 23-6= 62-8= 95-6= 16-7= 50-6= 31-6= 90-8= 62-5= 10-1= 23-9= 30-5= 75-9= 35-9= 12-8= 60-3= 76-7= 40-2= 31-5= 23-6= 26-7= 41-6= 13-6= 36-9= 12-5= 13-6= 60-6= 76-8= 91-8= 60-1= 50-7= 66-9=退位减法口算练习题班级_______________ 姓名__________________34-8= 35-9= 97-8= 67-9= 41-3= 41-4= 35-8= 24-8= 30-1= 91-8= 76-7= 61-8= 13-5= 85-7= 33-7= 21-5= 80-7= 21-4= 22-9= 30-5= 24-6= 15-9= 75-9= 40-8= 34-5= 94-5= 45-7= 91-4= 20-9= 40-7= 60-3= 84-6= 84-8= 65-6= 57-8= 61-8= 11-6= 20-1= 13-4= 10-1= 71-5= 81-5= 40-1= 63-7= 31-8= 91-9= 12-8= 40-9= 14-8= 76-9= 55-8= 20-9= 25-9= 82-5= 22-6= 90-5= 51-5= 22-6= 50-7= 96-8= 62-4= 12-8= 63-8= 14-7= 23-4= 25-6= 60-8= 65-8= 45-6= 10-1= 24-8= 85-9= 24-5= 82-9= 16-8= 40-5= 52-9= 30-1= 90-2= 72-7= 72-8= 21-2= 84-7= 56-9= 64-5= 87-9= 72-5= 53-6= 57-8= 74-9= 33-5= 95-9= 83-4= 16-7= 11-3= 46-8= 81-5= 11-6= 27-9= 61-9= 91-2= 32-5= 54-7= 32-9= 20-8= 71-3= 71-2= 10-7= 61-3= 90-6= 51-4= 92-7= 11-9= 60-3= 92-3= 85-8= 71-3= 43-4= 31-7= 67-9=退位减法口算练习题班级_______________ 姓名__________________22-6= 90-8= 61-6= 50-4= 95-6= 72-7= 61-4= 71-4= 60-1= 64-8= 54-8= 31-5= 25-7= 60-8= 51-8= 30-1= 21-4= 31-6= 74-5= 91-4= 34-9= 35-8= 50-5= 90-7= 20-9= 23-7= 23-6= 40-9= 92-7= 15-9= 31-5= 70-3= 53-4= 82-9= 97-9= 46-9= 20-3= 67-8= 22-8= 67-9= 63-4= 44-8= 50-1= 94-6= 46-8= 20-4= 15-8= 21-6= 16-9= 84-6= 61-8= 44-6= 70-7= 54-6= 86-8= 28-9= 90-2= 60-3= 30-3= 77-9= 30-2= 21-7= 30-1= 50-7= 70-3= 81-3= 70-6= 62-8= 90-6= 12-8= 91-5= 30-1= 24-5= 41-2= 62-5= 84-8= 60-6= 50-3= 41-2= 32-7= 40-8= 55-9= 55-8= 42-7= 86-7= 60-1= 61-7= 73-4= 11-4= 55-9= 74-7= 42-8= 58-9= 84-5= 55-6= 61-9= 91-7= 61-8= 52-5= 72-9= 70-1= 63-7= 17-9= 41-2= 14-9= 36-9= 68-9= 45-9= 82-7= 53-8= 40-3= 34-8= 90-4= 83-5= 55-8= 44-5= 82-4= 82-6= 41-3= 24-6=退位减法口算练习题班级_______________ 姓名__________________11-4= 43-5= 50-4= 61-5= 53-4= 17-9= 14-5= 80-8= 43-8= 37-9= 76-7= 91-3= 41-2= 14-6= 20-5= 95-7= 33-9= 55-9= 81-6= 90-9= 36-7= 60-4= 82-4= 47-9= 46-7= 70-4= 82-9= 27-9= 42-9= 55-9= 12-7= 42-9= 11-7= 57-8= 74-6= 10-2= 62-7= 80-7= 90-4= 30-7= 64-6= 84-7= 51-2= 21-7= 65-9= 32-5= 11-6= 22-8= 44-7= 14-5= 82-4= 62-6= 45-8= 76-7= 21-5= 12-8= 90-9= 51-9= 70-5= 32-6= 50-7= 75-6= 35-8= 80-7= 22-8= 74-6= 57-8= 36-9= 91-4= 75-7= 95-7= 14-7= 55-7= 20-2= 93-9= 92-4= 14-7= 20-4= 51-9= 10-7= 96-7= 71-9= 57-8= 40-1= 84-9= 37-8= 13-4= 20-7= 80-9= 10-5= 50-4= 95-9= 53-8= 81-2= 80-6= 92-6= 65-7= 71-4= 27-9= 70-2= 83-4= 13-7= 23-6= 34-6= 94-6= 30-5= 21-4= 40-3= 72-4= 85-6= 70-3= 61-9= 12-8= 50-4= 35-9= 82-8= 15-8= 11-8= 66-8= 92-3=。

人教版一年级数学下册《两位数减一位数(不退位)、整十数》练习题（附答案）1.填一填。

导学点睛：46-3,先算6-3=3,再算40+3=43;46-30先算40-30=10,再算10+6=16。

2.口算。

29-8= 75-2= 86-4=88-5= 94-1= 73-2=57-6= 69-8= 79-7=58-2= 76-4= 78-8=87-5= 99-7= 39-4=导学点睛：两位数减一位数不退位时,直接用两位数个位上的数字与一位数相减,结果作为差的个位数字,十位数字与被减数的十位数字相同。

3.算一算。

79-30= 78-50= 77-50=48-20= 45-20= 33-20=72-50= 69-20= 76-40=68-60= 86-40= 57-20=37-10= 89-60= 38-10=导学点睛：计算两位数减整十数,直接用两位数的十位数字与整十数的十位数字相减,结果作为差的十位数字,个位数字与原来被减数的个位数字相同。

4.排一排。

> > > >< < < <导学点睛：先算出各算式的得数,再按得数的大小顺序排列。

参考答案1.略2.21 73 82 83 93 71 51 61 72 56 72 70 82 92 353.49 28 27 28 25 13 22 49 36 8 46 37 27 29 284.99-7>88-5>78-5>76-4>58-638-20<85-60<97-70<72-40<91-50。

两位数减一位数（口算）-冀教版一年级数学下册教案教学目标
1.能够正确地用竖式计算两位数减一位数的口算题
2.能够熟练掌握两位数减一位数的口算技巧
3.能够运用所学知识解决实际问题
教学重点
1.两位数减一位数的口算计算方法
2.掌握减法运算规则
3.能够独立解决两位数减一位数的口算题
教学难点
1.熟练掌握两位数减一位数的口算技巧
2.能够运用所学技巧解决实际问题
教学准备
1.习题册和笔
2.课堂板书
教学步骤
第一步：复习预习
1.复习小学一年级的加减法口诀
2.阅读《冀教版一年级数学下册》相应内容，理解两位数减一位数的口算计算方法
第二步：示范教学
1.准备一些两位数减一位数的口算题目，例如：78-4、69-7、85-3等。

2.用竖式计算这些口算题，并在黑板上写出计算过程，并指导学生如何用竖式计算这些题目。

第三步：反复练习
1.班级分组，让学生互相出题，口算计算并与伙伴们交流答案。

2.学生独立完成练习册中的一系列练习，并相互讲解自己的思路。

第四步：实际应用
1.出现实际问题，例如古代邮差发快递，需要学生计算两地之间的距离。

2.指导学生如何运用计算技能解决实际问题。

教学后记
1.给学生布置一些家庭作业，加强学生对本课内容的理解。

2.督促学生在学习过程中掌握好基础知识，努力提高口算计算水平。

两位数减一位数退位口算
本文档将介绍两位数减一位数的退位口算方法。

退位口算是一种简便而高效的计算方式，可以帮助学生在心算时快速准确地完成减法运算。

以下是两位数减一位数的退位口算方法的步骤：
以下是几个两位数减一位数的退位口算的示例：
通过使用两位数减一位数的退位口算方法，学生可以更快速准确地完成减法运算。

这种方法尤其适用于心算时，能帮助学生培养计算思维和加深对数学运算规律的理解。

希望本文所述的方法能对您有所帮助！
通过使用两位数减一位数的退位口算方法，学生可以更快速准确地完成减法运算。

这种方法尤其适用于心算时，能帮助学生培养计算思维和加深对数学运算规律的理解。

希望本文所述的方法能对您有所帮助！。

(变化版)两位数减去一位数的口算练习题以下是一些用于练两位数减去一位数口算的题目。

这些题目可以帮助提高你的口算能力和数学技巧。

每个题目都有一个正确答案，你可以自行核对。

1. 两位数减去一位数1. 37 - 9 =2. 52 - 6 =3. 68 - 3 =4. 74 - 2 =5. 91 - 7 =6. 85 - 1 =7. 46 - 5 =8. 53 - 4 =9. 62 - 8 =10. 79 - 6 =2. 拓展题目现在我们来试试一些稍微复杂的题目，这些题目需要更多的思考和计算。

1. 93 - 15 =2. 57 - 27 =3. 84 - 36 =4. 72 - 14 =5. 65 - 29 =3. 挑战题目这些题目是更有挑战性的口算题目，需要更高的数学能力和专注力。

1. 83 - 42 =2. 76 - 58 =3. 95 - 79 =4. 67 - 51 =5. 89 - 73 =4. 口算技巧提示下面是一些口算技巧，可以帮助你更快地解决减法题目：- 减去一个一位数时，可以将这个一位数补充为一个整十数，然后再进行计算。

例如：47 - 5 可以将 5 补充为 10，然后计算 47 - 10 = 37。

- 减法的顺序是不影响最后结果的。

例如：48 - 3 和 3 - 48 的结果都是 -45。

- 提前找到减数和被减数之间的差距，可以帮助你更快地计算。

例如：94 - 28，可以先计算 94 - 20 = 74，再减去 8，最后的结果为66。

希望这些练习题和口算技巧对你有帮助！继续努力练习，你的口算能力会不断提高的！。

退位减法口算练习题班级姓名81-7= 36-7= 31-7= 10-3= 34-5=55-8= 15-9= 12-4= 55-9= 25-6= 20-6= 62-9= 92-7= 74-9= 23-6= 10-5= 92-5= 10-8= 31-5= 12-4= 92-5= 65-8= 50-4= 16-8= 12-6= 75-7= 15-6= 82-5= 93-9= 45-7= 85-9= 92-8= 31-6= 62-5= 45-9= 10-6= 82-5= 95-8= 23-4= 50-3= 43-4= 70-5= 31-7= 51-2= 82-3= 92-5= 25-9= 44-6= 73-8= 90-6= 76-7= 32-9= 10-7= 33-5= 70-2= 12-7= 46-8= 45-6= 41-7= 23-9= 90-7= 10-4= 72-6= 21-5= 23-5= 81-2= 52-4= 73-6= 81-5= 16-8= 70-4= 80-8= 44-6= 60-5= 51-5= 80-9= 72-4= 94-5= 13-8= 64-8= 31-5= 20-2= 13-7= 32-4= 71-6= 53-7= 51-3= 50-5= 72-3= 67-8= 74-9= 50-2= 61-5= 27-9= 32-3= 72-7= 70-5= 32-6= 73-7= 60-3= 61-7= 50-1= 45-6= 63-6= 40-8= 47-8= 27-8= 63-4= 82-3= 44-8= 43-5= 96-9= 71-3= 52-4= 72-9= 51-3= 80-5= 50-2= 93-4= 30-9=退位减法口算练习题班级姓名31-4= 85-6= 41-7= 32-3= 30-2=35-8= 81-4= 60-8= 92-3= 31-4=22-3= 35-7= 10-1= 83-8=66-7 =56-7= 73-9= 90-8= 60-4=44-7 =71-7= 65-9= 96-9= 15-9=82-9 =42-5= 13-6= 20-5= 13-5=63-4 =80-8= 18-9= 10-1= 82-9=22-5 =32-3= 22-5= 98-9= 91-2=62-7 =41-4= 65-7= 64-6= 12-4=60-2 =55-8= 30-8= 62-9= 91-6=44-6 =21-4= 54-6= 62-3= 77-9=30-7 =20-2= 30-3= 70-6= 50-3=25-9 =12-3= 92-8= 65-8= 10-7=11-5 =81-8= 25-6= 63-6= 16-9=42-4 =51-6= 41-5= 81-5= 13-6=11-2 =54-6= 62-3= 64-8= 24-7=41-4 =75-7= 22-7= 71-9= 20-2=12-8 =21-2= 91-4= 53-8= 61-8=56-7 =15-6= 26-9= 22-9= 78-9=60-5 =94-7= 61-9= 54-5= 78-9=46-7 =71-2= 80-4= 91-6= 83-5=50-9 =90-3= 75-9= 11-6= 53-7=31-2 =85-9= 95-8= 92-6= 70-9=11-5 =12-3= 14-7= 60-1= 30-7= 80-3=退位减法口算练习题班级姓名52-6= 31-5= 32-7= 12-7= 48-9=76-8= 64-6= 71-7= 50-2= 65-9= 62-3= 97-9= 90-4= 32-7= 70-4= 40-5= 94-9= 91-5= 66-7= 50-4= 40-1= 72-9= 10-2= 54-7= 60-8= 11-9= 30-8= 53-5= 94-8= 73-8= 21-4= 70-2= 42-7= 33-6= 84-5= 42-8= 33-7= 84-6= 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= 86-8= 41-4= 54-7= 34-8= 44-8= 76-8= 37-9= 70-2= 22-9= 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= 22-7= 25-6= 87-8= 41-7= 43-6= 95-8= 30-5= 70-9= 73-4= 12-6=退位减法口算练习题班级姓名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= 10-5= 20-2= 30-9= 20-5= 92-9= 61-4= 11-2= 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= 52-6= 66-7= 71-4= 30-9= 33-9= 45-9= 85-7= 32-7= 53-8= 50-2= 71-5= 17-9= 23-9= 24-9= 62-4= 13-4= 84-6= 22-6= 23-8= 24-8= 35-7= 82-5= 31-6= 73-5= 30-2= 63-6= 15-6= 20-1= 76-9= 70-7= 90-2= 81-5= 55-7= 31-8= 13-9= 80-8= 20-8= 22-7= 95-9= 95-7= 61-6= 30-3= 32-6= 82-5= 32-9= 91-2= 52-4= 12-6= 86-8= 97-9= 17-8= 70-3= 84-7= 81-8= 81-2= 85-7= 20-2= 53-6= 20-7= 30-6= 12-9= 82-6= 76-8= 26-7= 61-4= 80-4= 65-8= 52-9= 41-7= 12-5= 41-7= 63-4= 41-7= 52-4= 66-8= 26-9= 20-8= 61-7= 36-7= 73-6=退位减法口算练习题班级姓名82-7= 12-4= 51-9= 44-5= 66-7=66-9= 46-9= 80-7= 31-2= 42-4= 23-5= 94-7= 41-4= 20-7= 90-5= 44-7= 66-8= 22-6= 91-6= 93-6= 13-6= 10-8= 51-9= 95-6= 92-7= 75-9= 62-4= 95-7= 20-8= 10-4= 13-5= 60-7= 50-1= 22-3= 53-4= 40-8= 24-9= 76-9= 94-9= 95-8= 55-7= 31-7= 63-9= 32-3= 62-7= 83-7= 61-4= 51-9= 45-9= 41-9= 61-2= 25-9= 26-7= 61-8= 54-5= 20-7= 31-3= 71-6= 53-9= 21-6= 63-6= 34-6= 63-6= 13-5= 62-4= 41-3= 80-8= 14-8= 12-6= 70-5= 24-5= 13-9= 91-3= 15-7= 30-4= 86-9= 74-5= 31-3= 51-3= 55-8= 57-9= 21-4= 15-9= 12-7= 14-9= 42-5= 41-7= 45-7= 91-5= 32-7= 60-2= 50-9= 67-8= 25-7= 21-9= 74-6= 91-5= 14-6= 63-4= 31-5= 71-5= 62-9= 52-7= 73-7= 10-5= 20-8= 43-5= 30-9= 91-9= 30-7=退位减法口算练习题班级姓名81-7= 42-6= 52-4= 25-8= 50-8=12-4= 73-6= 76-7= 41-9= 38-9= 81-9= 85-8= 80-5= 72-3= 46-9= 93-6= 42-5= 35-9= 60-9= 38-9= 45-8= 20-2= 11-2= 32-9= 52-4= 46-9= 40-7= 61-8= 13-7= 96-8= 14-8= 81-3= 24-8= 66-7= 64-9= 91-9= 72-4= 67-9= 80-1= 82-3= 22-6= 52-6= 83-8= 96-8= 62-5= 64-7= 21-2= 25-6= 40-4= 82-3= 45-8= 41-5= 72-5= 80-9= 43-4= 97-8= 35-6= 42-8= 40-6= 48-9= 80-8= 66-8= 31-7= 92-8= 41-3= 67-9= 61-7= 50-3= 67-8= 86-7= 41-3= 61-4= 33-4= 12-3= 14-6= 20-9= 73-8= 63-4= 43-8= 38-9= 22-8= 97-9= 23-6= 51-5= 22-4= 41-8= 18-9= 57-8= 47-8= 80-2= 80-7= 83-9= 30-5= 63-8= 72-6= 88-9= 13-8= 63-4= 13-6= 94-6= 76-8= 22-4= 42-8= 46-9= 72-6= 67-9= 47-8= 95-8= 75-7= 51-3= 71-7= 60-6= 13-4= 95-7= 66-7= 10-6= 31-7= 11-7= 20-8= 46-8=退位减法口算练习题班级姓名97-9= 12-3= 71-2= 84-8= 12-6=21-9= 73-8= 81-6= 96-9= 51-9= 16-7= 72-6= 82-3= 52-4= 55-6= 33-8= 80-5= 11-3= 43-4= 90-9= 31-9= 62-5= 10-4= 55-6= 11-3= 70-4= 22-3= 66-8= 44-9= 46-7= 75-7= 83-7= 62-4= 96-7= 40-7= 73-6= 70-8= 41-3= 75-9= 25-7= 84-8= 50-5= 10-6= 11-5= 93-4= 56-8= 90-5= 44-5= 58-9= 46-9= 23-5= 90-4= 80-3= 93-5= 92-5= 93-4= 71-2= 20-6= 61-3= 41-8= 23-6= 57-9= 86-8= 25-9= 90-5= 73-5= 15-9= 81-6= 63-4= 52-5= 72-4= 34-9= 67-9= 74-7= 41-2= 70-7= 22-7= 51-8= 63-9= 82-7= 94-9= 17-9= 38-9= 43-6= 42-5= 63-8= 56-8= 54-5= 77-9= 87-8= 60-3= 51-9= 54-9= 26-7= 52-8= 30-8= 73-8= 20-1= 24-6= 62-8= 90-1= 91-2= 62-8= 95-8= 61-4= 15-7= 40-4= 14-8= 54-5= 36-7= 53-4= 85-8= 41-7= 64-9= 93-8= 71-7= 42-4= 73-4= 54-7= 73-6=退位减法口算练习题班级姓名60-6= 81-6= 71-7= 10-8= 92-7=92-7= 20-2= 52-9= 94-8= 27-8= 40-6= 80-9= 85-8= 91-9= 80-7= 20-4= 64-6= 23-5= 23-7= 42-7= 96-7= 40-5= 90-1= 42-8= 10-3= 80-6= 81-3= 20-5= 50-8= 26-9= 91-9= 62-4= 44-9= 41-9= 54-8= 91-8= 90-2= 41-2= 74-9= 17-8= 62-8= 90-4= 23-4= 43-4= 62-8= 90-3= 50-2= 64-6= 15-9= 33-8= 92-4= 52-4= 21-7= 42-8= 60-3= 25-7= 33-6= 71-5= 82-6= 21-8= 61-3= 11-2= 33-6= 76-7= 52-5= 54-9= 32-3= 52-6= 72-4= 80-5= 21-3= 87-8= 32-7= 60-8= 83-5= 72-6= 92-7= 41-7= 23-6= 65-8= 76-9= 22-4= 41-3= 70-8= 54-8= 74-9= 84-7= 75-6= 97-8= 54-9= 72-5= 14-6= 61-6= 40-7= 22-3= 31-2= 36-7= 40-5= 42-3= 94-6= 30-6= 95-8= 11-2= 31-9= 55-7= 60-1= 42-7= 15-8= 25-9= 20-2= 42-9= 55-7= 81-9= 85-9= 13-4= 13-5= 60-2= 74-8= 92-6= 90-8=退位减法口算练习题班级姓名53-7= 75-8= 60-8= 56-9= 46-9=90-8= 77-8= 43-9= 33-6= 63-7= 81-9= 33-8= 82-6= 24-6= 52-8= 94-7= 52-3= 40-8= 88-9= 92-6= 63-5= 72-6= 28-9= 90-9= 25-7= 35-8= 80-5= 93-9= 36-7= 80-2= 50-3= 15-7= 84-5= 73-6= 52-8= 11-3= 54-5= 73-4= 26-8= 86-7= 95-8= 15-7= 44-6= 11-7= 96-9= 80-5= 82-8= 38-9= 81-6= 23-4= 20-3= 75-8= 50-4= 82-4= 93-6= 76-7= 51-3= 23-6= 22-7= 60-1= 42-5= 85-7= 65-8= 62-4= 42-9= 11-3= 12-4= 81-7= 12-7= 75-8= 80-7= 62-8= 32-6= 50-5= 52-4= 10-1= 68-9= 90-6= 86-8= 35-9= 13-5= 90-2= 34-6= 54-8= 92-9= 53-7= 24-6= 61-2= 90-5= 94-6= 30-5= 45-7= 61-5= 22-3= 80-7= 40-4= 51-2= 62-3= 66-7= 41-4= 43-6= 98-9= 72-4= 33-9= 10-8= 56-7= 90-4= 24-5= 53-4= 73-9= 37-9= 98-9= 70-6= 74-8= 52-8= 70-2= 52-5= 44-9= 12-7= 64-5=退位减法口算练习题班级姓名94-5= 70-4= 21-5= 77-8= 36-8=85-6= 91-6= 83-8= 14-5= 50-4= 85-7= 40-5= 60-1= 82-6= 10-2= 10-7= 12-5= 92-5= 52-4= 86-8= 73-4= 10-6= 32-7= 33-6= 90-8= 11-9= 71-4= 21-6= 83-5= 73-7= 60-9= 82-7= 78-9= 33-6= 90-5= 20-1= 74-5= 72-7= 51-7= 51-2= 64-7= 86-8= 10-4= 22-3= 64-9= 43-8= 66-7= 21-2= 24-8= 92-7= 51-7= 42-7= 76-9= 61-4= 73-8= 28-9= 23-9= 24-7= 21-7= 22-3= 21-4= 10-4= 84-9= 56-7= 61-9= 96-7= 41-7= 91-6= 96-8= 62-4= 61-3= 40-6= 87-8= 84-9= 21-6= 25-7= 80-8= 24-6= 50-7= 70-8= 82-9= 22-3= 31-5= 50-9= 30-4= 13-5= 66-9= 83-5= 61-7= 71-2= 55-9= 64-6= 15-8= 53-5= 35-9= 41-7= 51-7= 72-3= 11-9= 66-7= 82-8= 40-7= 14-8= 64-6= 11-8= 22-3= 73-6= 83-9= 17-8= 23-7= 63-5= 35-9= 14-6= 22-6= 10-8= 67-8= 34-9= 65-7= 71-3= 57-8=退位减法口算练习题班级姓名52-3= 10-8= 50-2= 16-8= 51-7=65-6= 70-3= 13-9= 52-3= 96-7= 62-6= 73-6= 45-6= 11-3= 81-7= 25-8= 35-8= 13-8= 12-5= 51-2= 50-7= 75-8= 70-5= 51-3= 70-7= 42-8= 21-5= 27-8= 82-6= 92-8= 80-3= 35-8= 62-4= 32-7= 20-5= 20-9= 63-4= 61-3= 84-5= 40-4= 62-4= 86-8= 80-3= 93-8= 90-3= 96-8= 42-8= 33-9= 21-2= 10-8= 96-7= 31-8= 97-9= 87-8= 97-9= 70-9= 54-7= 81-9= 45-9= 43-4= 52-6= 52-8= 91-8= 84-8= 14-6= 53-9= 91-2= 46-7= 55-9= 61-6= 10-3= 44-7= 20-3= 50-6= 32-8= 23-5= 80-7= 70-9= 91-8= 50-7= 50-5= 32-7= 20-3= 83-9= 31-3= 82-8= 41-5= 10-7= 60-7= 14-5= 11-5= 42-7= 28-9= 93-8= 42-6= 22-4= 50-2= 41-3= 21-9= 84-8= 11-9= 93-6= 80-3= 33-6= 83-5= 41-7= 25-7= 54-9= 30-9= 74-8= 53-5= 51-3= 21-6= 74-8= 81-7= 52-4= 86-8= 52-9= 11-2= 14-6=退位减法口算练习题班级姓名73-5= 65-9= 85-8= 15-9= 70-9=82-5= 20-1= 22-6= 72-7= 65-6= 42-7= 35-7= 93-4= 13-7= 21-4= 35-7= 20-8= 40-7= 16-8= 42-5= 97-9= 36-7= 27-9= 81-9= 21-2= 82-9= 57-9= 82-5= 41-9= 42-8= 80-3= 80-1= 70-9= 15-6= 77-8= 62-5= 62-4= 70-7= 88-9= 41-8= 40-3= 13-9= 36-9= 85-9= 14-9= 85-7= 63-6= 16-7= 22-9= 95-7= 65-6= 41-6= 15-9= 40-8= 66-8= 44-7= 72-9= 91-9= 52-5= 70-3= 80-6= 72-9= 26-9= 13-8= 40-9= 24-5= 51-2= 81-5= 73-5= 72-4= 53-9= 73-9= 41-2= 96-8= 22-4= 63-5= 67-8= 90-9= 37-9= 13-5= 84-7= 93-6= 95-9= 41-5= 80-1= 95-9= 54-6= 92-9= 22-4= 33-4= 80-8= 91-9= 97-9= 52-4= 27-9= 43-7= 70-9= 61-3= 40-9= 40-8= 61-8= 30-8= 61-3= 34-8= 15-6= 51-4= 61-2= 64-9= 94-6= 32-5= 75-8= 30-9= 74-9= 46-9= 20-6= 41-8= 51-3= 20-6= 43-8= 76-7=退位减法口算练习题班级姓名92-8= 10-5= 71-9= 24-8= 98-9=70-7= 73-8= 54-8= 90-8= 15-7= 32-8= 50-5= 81-9= 91-7= 73-8= 91-8= 81-3= 52-8= 20-1= 54-5= 23-8= 80-1= 71-3= 40-5= 62-6= 21-3= 35-6= 32-8= 40-9= 31-7= 23-4= 26-7= 40-8= 52-9= 40-6= 41-2= 86-8= 32-8= 60-7= 84-6= 41-9= 14-9= 34-5= 52-8= 71-3= 23-6= 74-5= 94-9= 91-7= 81-9= 48-9= 23-6= 72-4= 23-4= 81-3= 10-9= 25-6= 32-4= 75-9= 95-6= 82-8= 61-8= 41-9= 50-1= 14-9= 73-8= 11-6= 52-8= 31-6= 40-5= 41-6= 61-6= 82-5= 23-9= 52-3= 52-5= 56-8= 92-6= 46-8= 67-9= 22-3= 55-6= 51-3= 70-2= 28-9= 26-8= 96-7= 51-9= 90-2= 23-6= 62-8= 95-6= 16-7= 50-6= 31-6= 90-8= 62-5= 10-1= 23-9= 30-5= 75-9= 35-9= 12-8= 60-3= 76-7= 40-2= 31-5= 23-6= 26-7= 41-6= 13-6= 36-9= 12-5= 13-6= 60-6= 76-8= 91-8= 60-1= 50-7= 66-9=退位减法口算练习题班级姓名34-8= 35-9= 97-8= 67-9= 41-3=41-4= 35-8= 24-8= 30-1= 91-8= 76-7= 61-8= 13-5= 85-7= 33-7= 21-5= 80-7= 21-4= 22-9= 30-5= 24-6= 15-9= 75-9= 40-8= 34-5= 94-5= 45-7= 91-4= 20-9= 40-7= 60-3= 84-6= 84-8= 65-6= 57-8= 61-8= 11-6= 20-1= 13-4= 10-1= 71-5= 81-5= 40-1= 63-7= 31-8= 91-9= 12-8= 40-9= 14-8= 76-9= 55-8= 20-9= 25-9= 82-5= 22-6= 90-5= 51-5= 22-6= 50-7= 96-8= 62-4= 12-8= 63-8= 14-7= 23-4= 25-6= 60-8= 65-8= 45-6= 10-1= 24-8= 85-9= 24-5= 82-9= 16-8= 40-5= 52-9= 30-1= 90-2= 72-7= 72-8= 21-2= 84-7= 56-9= 64-5= 87-9= 72-5= 53-6= 57-8= 74-9= 33-5= 95-9= 83-4= 16-7= 11-3= 46-8= 81-5= 11-6= 27-9= 61-9= 91-2= 32-5= 54-7= 32-9= 20-8= 71-3= 71-2= 10-7= 61-3= 90-6= 51-4= 92-7= 11-9= 60-3= 92-3= 85-8= 71-3= 43-4= 31-7= 67-9=退位减法口算练习题班级姓名22-6= 90-8= 61-6= 50-4= 95-6=72-7= 61-4= 71-4= 60-1= 64-8= 54-8= 31-5= 25-7= 60-8= 51-8= 30-1= 21-4= 31-6= 74-5= 91-4= 34-9= 35-8= 50-5= 90-7= 20-9= 23-7= 23-6= 40-9= 92-7= 15-9= 31-5= 70-3= 53-4= 82-9= 97-9= 46-9= 20-3= 67-8= 22-8= 67-9= 63-4= 44-8= 50-1= 94-6= 46-8= 20-4= 15-8= 21-6= 16-9= 84-6= 61-8= 44-6= 70-7= 54-6= 86-8= 28-9= 90-2= 60-3= 30-3= 77-9= 30-2= 21-7= 30-1= 50-7= 70-3= 81-3= 70-6= 62-8= 90-6= 12-8= 91-5= 30-1= 24-5= 41-2= 62-5= 84-8= 60-6= 50-3= 41-2= 32-7= 40-8= 55-9= 55-8= 42-7= 86-7= 60-1= 61-7= 73-4= 11-4= 55-9= 74-7= 42-8= 58-9= 84-5= 55-6= 61-9= 91-7= 61-8= 52-5= 72-9= 70-1= 63-7= 17-9= 41-2= 14-9= 36-9= 68-9= 45-9= 82-7= 53-8= 40-3= 34-8= 90-4= 83-5= 55-8= 44-5= 82-4= 82-6= 41-3= 24-6=退位减法口算练习题班级姓名11-4= 43-5= 50-4= 61-5= 53-4=17-9= 14-5= 80-8= 43-8= 37-9= 76-7= 91-3= 41-2= 14-6= 20-5= 95-7= 33-9= 55-9= 81-6= 90-9= 36-7= 60-4= 82-4= 47-9= 46-7= 70-4= 82-9= 27-9= 42-9= 55-9= 12-7= 42-9= 11-7= 57-8= 74-6= 10-2= 62-7= 80-7= 90-4= 30-7= 64-6= 84-7= 51-2= 21-7= 65-9= 32-5= 11-6= 22-8= 44-7= 14-5= 82-4= 62-6= 45-8= 76-7= 21-5= 12-8= 90-9= 51-9= 70-5= 32-6= 50-7= 75-6= 35-8= 80-7= 22-8= 74-6= 57-8= 36-9= 91-4= 75-7= 95-7= 14-7= 55-7= 20-2= 93-9= 92-4= 14-7= 20-4= 51-9= 10-7= 96-7= 71-9= 57-8= 40-1= 84-9= 37-8= 13-4= 20-7= 80-9= 10-5= 50-4= 95-9= 53-8= 81-2= 80-6= 92-6= 65-7= 71-4= 27-9= 70-2= 83-4= 13-7= 23-6= 34-6= 94-6= 30-5= 21-4= 40-3= 72-4= 85-6= 70-3= 61-9= 12-8= 50-4= 35-9= 82-8= 15-8= 11-8= 66-8= 92-3=。