20以内退位减法 班级 学号 姓名
11-9= 12-9= 13-9= 14-9= 15-9= 16-9= 17-9= 18-9=
11-8= 12-8= 13-8= 14-8= 15-8= 16-8= 17-8=
11-7= 12-7= 13-7= 14-7= 15-7= 16-7=
11-6= 12-6= 13-6= 14-6= 15-6=
11-5= 12-5= 13-5 = 14-5=
11-4= 12-4 = 13-4=
11-3 = 12-3=
11-2=
20以内退位减法 班级 学号 姓名
11-9= 12-9= 13-9= 14-9= 15-9= 16-9= 17-9= 18-9=
11-8= 12-8= 13-8= 14-8= 15-8= 16-8= 17-8=
11-7= 12-7= 13-7= 14-7= 15-7= 16-7=
11-6= 12-6= 13-6= 14-6= 15-6=
11-5= 12-5= 13-5 = 14-5=
11-4= 12-4 = 13-4=
11-3 = 12-3=
11-2=