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...

时间:2025-02-03 01:58栏目:行业资料

一年级下册两位数减一位数、整十数减一位数退位减法 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= 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=...

时间:2025-01-04 12:48栏目:行业资料