"20以内退位减法"口算练习题（三）

班级： 用时： 姓名： 成绩： 13-4= 13-5= 12-4= 10-4= 14-8=

17-9= 10-6= 10-5= 17-9= 12-7=

14-9= 14-8= 11-8= 11-2= 11-5=

10-7= 15-9= 16-8= 13-5= 11-6=

11-6= 15-6= 15-9= 12-3= 13-6=

16-7= 13-5= 16-8= 13-9= 10-9=

12-4= 15-7= 10-5= 15-9= 11-3=

12-7= 10-9= 10-4= 11-7= 13-9=

11-5= 10-7= 12-6= 11-3= 17-9=

10-8= 10-3= 10-3= 12-8= 15-8=

15-8= 12-8= 17-8= 12-7= 18-9=

10-4= 11-2= 13-9= 14-8= 14-7=

13-8= 10-3= 11-9= 10-1= 15-6=

18-9= 16-7= 14-7= 12-8= 13-9=

10-3= 17-8= 13-6= 10-1= 13-9=

16-9= 18-9= 14-9= 11-8= 16-9=

11-9= 16-8= 13-7= 13-8=

12-7= 16-7= 15-6= 16-9= 15-9=

14-7= 16-8= 11-9= 16-7= 15-9=

11-2= 10-3= 10-3= 12-8= 15-8=