小学一年级数学20以内的退位减法练习题

目前，低年级学生的口算速度慢、出错率高，已成为普遍现象。以下是小编整理的关于数学20以内的退位减法练习题，希望大家认真阅读!

16-9= 7+8= 15-6= 9+9=

7+9= 12-8= 11-2= 18-9=

11-5= 13-9= 11-6= 3+8=

13-6= 5+8= 12-3= 11-8=

14-8= 12-8= 18-9= 4+7=

6+6= 9+2= 12-5= 15-7=

14-9= 16-9= 8+6= 4+8=

13-7= 15-9= 11-3= 17-8=

11-9= 12-7= 17-9= 7+7=

14-6= 12-9= 9+9= 16-7=

13-9= 5+7= 13-9= 11-5=

8+8= 8+4= 15-8= 15-9=

14-8= 12-8= 18-9= 4+7=

6+6= 9+2= 12-5= 15-7=

14-9= 16-9= 8+6= 4+8=

13-7= 15-9= 11-3= 17-8=

11-9= 12-7= 17-9= 7+7=

14-6= 12-9= 9+9= 16-7=

13-9= 5+7= 13-9= 11-5=

8+8= 8+4= 15-8= 15-9=

15-9= 14-5= 15-8= 12-4=

13-8= 14-8= 11-2= 15-9=

12-4= 11-4= 20-5= 15-7=

20-9= 11-3= 15-7= 17-8=

12-7= 12-4= 12-4= 14-8=

11-8= 12-9= 20-3= 20-5=

15-9= 12-6= 17-9= 18-9=

11-2= 20-1= 16-9= 16-8=

12-3= 15-6= 14-6= 13-6=

13-4= 15-9= 13-8= 15-8=

15-7= 13-7= 12-8= 14-9=

17-8= 12-6= 12-7= 12-4=

14-8= 13-9= 11-8= 12-9=

11-4= 11-6= 14-7= 11-7=

11-3= 14-9= 12-6= 12-7=

17-8= 12-4= 16-7= 11-8=

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

12-8= 12-8= 15-9= 14-7=

11-3= 14-6= 12-4= 14-6=

17-8= 13-8= 20-4= 13-8=

15-6= 15-7= 15-6= 15-9=

15-9= 17-8= 15-9= 14-7=

13-8= 14-8= 11-2= 15-9=

12-4= 11-4= 20-5= 15-7=

20-9= 11-3= 15-7= 17-8=

12-7= 12-4= 12-4= 14-8=

11-8= 12-9= 20-3= 20-5=

14-7= 12-7= 11-4= 11-3=

12-4= 11-8= 12-9= 12-4=

15-8= 14-7= 15-6= 12-9=

14-9= 20-6= 15-9= 12-8=

12-4= 20-7= 12-8= 14-6=

20-4= 12-8= 14-6= 13-8=

12-8= 14-6= 13-8= 15-7=

14-6= 13-8= 15-7= 20-8=

13-8= 20-7= 12-9= 15-9=

15-9= 14-5= 15-8= 12-4=

9+8= 4+9= 5+6= 14-7=

16-8= 19-8= 13-5= 7+6=

11-4= 13-4= 14-9= 12-6=