20以内退位减法练习题

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20以内退位减法练习题

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= 12-4= 15-7= 12-7= 10-9= 11-5= 10-7= 10-8= 10-3= 15-8= 12-8= 10-4= 11-2= 13-8= 10-3= 18-9= 16-7= 10-3= 17-8= 11-2= 13-8= 11-8= 16-9= 12-7= 16-7= 14-7= 16-8= 11-2= 10-3= 11-2 11-9 14-5 17-8 16-9 16-7 14-6 13-8 14-7 11-4 16-9 16-7 12-3 11-5 12-8 12-4 16-8= 13-9= 10-5= 15-9= 10-4= 11-7= 12-6= 11-3= 10-3= 12-8= 17-8= 12-7= 13-9= 14-8= 11-9= 10-1= 14-7= 12-8= 13-6= 10-1= 16-9= 18-9= 11-9= 16-8= 15-6= 16-9= 11-9= 16-7= 10-3= 12-8= 13-7 17-9 15-7 11-5 11-6 13-5 11-3 11-7 12-4 14-9 14-6 11-9 11-8 12-6 16-9 10-9= 11-3= 13-9= 17-9= 15-8= 18-9= 14-7= 15-6= 13-9= 13-9= 14-9= 13-7= 15-9= 15-9= 15-8= 14-9 15-8 14-8 11-8 12-8 17-9 11-6 13-7

13-6
15-8 16-9 14-5 12-7 14-6 13-6 13-9 13-8 13-7 14-5 16-8 15-9 14-5 13-8 12-9 12-5 11-2 11-8 12-3 15-6 13-4 11-5 11-3 14-6 11-7 12-7 11-6 12-8 13-4 11-4 13-5 13-6 12-7 13-9 13-6 11-4 11-5 11-8 12-8 14-7 16-8 14-8 12-6 12-4 12-5 14-7 13-5 12-7 14-8 12-6 14-9 17-8 15-7 12-3 12-6 16-8 11-6 18-9 11-2

14-5

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