20以内的退位减法练习题20套
20以内退位减法 练习题 (1)姓名 时间 得分 15-9= 12-6= 17-9= 18-9=
20以内退位减法练习题(1) 姓名时间得分 15-9= 13-9= 12-4= 17-8= 12-6= 11-8= 14-6= 12-7= 17-9= 12-9= 17-8= 20-6= 18-9= 11-4= 13-8= 15-9= 11-2= 11-6= 20-4= 12-8= 11-5= 14-7= 13-8= 12-4= 16-9= 11-7= 13-6= 20-7= 16-8= 11-3= 15-7= 12-8= 12-3= 14-9= 15-6= 14-6= 15-6= 12-6= 15-8= 20-4= 14-6= 12-7= 15-9= 12-8= 13-6= 17-8= 17-8= 14-6= 13-4= 12-4= 15-9= 13-8= 15-9= 16-7= 14-7= 12-8= 13-8= 11-8= 13-8= 14-6= 15-8= 14-8= 14-8= 13-8= 15-7= 12-9= 11-2= 15-7= 13-7= 16-7= 15-9= 14-6= 12-8= 14-7= 12-4= 13-8= 14-9= 12-8= 11-4= 15-7= 17-8= 11-8= 20-5= 20-8= 12-6= 15-9= 15-7= 13-8= 12-7= 14-7= 20-9= 20-7= 12-4= 11-3= 11-3= 12-9= 14-8= 14-6= 15-7= 15-8=

