20以内退位减法口算

0姓名 完成时间 秒 题家长签字 = 17-8= 15-6=17-8=18-9== 14-9= 18-9=12-5=12-3== 15-8= 18-9=17-8=14-5== 13-5= 13-7=16-8== 12-3= 13-9=13-4=15-7== 18-9= 16-7=15-7== 18-9= 17-8=15-9=16-8== 12-4= 13-5=16-8=12-8== 13-5= 17-9=16-7== 12-3= 18-9=15-9== 14-7= 12-8=15-9=12-6== 15-9= 18-9=13-9=18-9== 17-8= 13-9=18-9=17-9== 13-4= 15-8=16-7=13-6== 12-3= 16-9== 13-7= 16-9=18-9=14-9== 16-9= 18-9=17-9=13-7== 13-5= 17-9=12-5=18-9== = 17-8=18-9== 16-9= 17-8=15-6=13-4=0姓名 完成时间 秒 题家长签字 = 14-6= 16-9=18-9== 14-9= 16-8== 17-9= 15-6=14-9=13-9== 14-6= 15-9=17-8== 17-8= 18-9=15-7=16-7== 14-6= 18-9=14-7== 17-9= 16-7=15-7=16-8== 15-6= 15-9=12-4=12-7== 17-8= 18-9=13-9== = 16-8=17-9== 17-8= 16-8=12-8== = 13-4=18-9== 17-8= 16-8=17-9=14-9== 18-9= 16-9=16-9=13-8== 15-8= 18-9=16-8== 12-6= 16-9=13-6=14-8== 15-6= 14-6=18-9== 13-8= 15-7=18-9== 15-6= 12-5=16-9=12-9== 14-8= 14-9=13-5=15-9=0姓名 完成时间 秒 题家长签字 = 18-9= 13-4=16-8== 13-5= 12-8=12-5=14-8== 14-8= 12-9=13-5=15-9== = 12-8=13-7== 14-9= 15-6=15-7== 16-7= 16-8=15-7=18-9== 17-8= 17-9=15-8=18-9== 13-4= 17-8=13-6=17-9== 18-9= 17-8=13-6== 18-9= 17-9=17-8== = 14-6== 15-8= 16-9=16-7=16-8== 13-9= 17-8=15-7=14-8== 14-8= 15-9=16-7== 15-8= 12-4=18-9=13-8== 12-4= 13-8=16-7== 15-7= 18-9=17-9=15-8== 15-9= 17-8=15-6=17-8== 14-9= 18-9=13-4=16-8== 17-9= 15-6=0姓名 完成时间 秒 题家长签字 = 13-6= 13-4=12-7== 14-8= 18-9=18-9== 18-9= 12-6=18-9== 16-8= 16-8=15-6=17-9== 16-9= 15-7=12-4== 12-5= 18-9=17-8=13-6== 16-7= 13-5=14-6== 12-3= 12-4=12-8=18-9== 16-8= 16-7=16-7== = 17-8=14-5=13-4== 14-5= 14-5=17-9=12-6== 16-8= 17-9=15-7=16-9== 15-9= 18-9=18-9=13-7== 18-9= 15-8=14-6=17-8== 15-8= 12-4=13-8== 18-9= 12-6=17-8=16-8== 14-7= 13-9=15-6== 12-8= 14-5=15-6== 16-9= 12-4=15-9== 18-9= 12-6=14-5=17-8=0姓名 完成时间 秒 题家长签字 = 16-9= 12-3=16-7== 16-8= 14-6=14-5== 13-5= 13-4=14-5=12-5== 16-7= 13-9=12-4== 12-4= 15-6=18-9=13-7== 12-6= 17-9=17-9=16-7== 17-8= 12-3=12-4== 12-9= 12-7=13-7=16-7== = 17-9=12-8== 14-9= 14-8=16-7=15-7== 18-9= 13-5=15-9== 15-8= 12-6=16-9=12-4== 13-7= 12-4=18-9=15-9== 17-8= 13-5=18-9=18-9== 13-6= 15-9=13-7=14-6== 1