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一年级20以内退位减法口算练习题部分内容预览
12-9= 15-8= 16-7= 12-8= 13-9= 13-5= 12-4= 11-4= 12-4=
16-7= 15-7= 14-7= 14-7= 12-5= 11-2= 11-3= 12-8= 13-9=
12-8= 14-7= 12-8= 17-8= 12-9= 13-7= 12-6= 17-9= 14-7=
15-8= 11-4= 11-3= 17-9= 13-9= 14-5= 15-7= 11-4= 11-7=
13-7= 12-5= 12-8= 18-9= 12-4= 11-4= 17-9= 15-8= 13-7=
11-6= 12-5= 16-8= 13-6= 15-8= 11-5= 11-3= 11-6= 11-5=
16-9= 12-6= 14-5= 14-6= 11-6= 17-8= 15-8= 15-8= 15-8=
13-4= 16-7= 13-4= 12-6= 14-5= 11-3= 11-4= 12-6= 11-4=
11-7= 13-6= 12-6= 11-9= 12-8= 11-9= 11-3= 13-4= 17-9=
14-7= 12-6= 14-9= 14-6= 14-7= 12-9= 13-9= 12-8= 17-8=
11-9= 15-9= 16-9= 13-6= 16-7= 13-6= 13-4= 14-9= 12-6=
13-8= 18-9= 12-9= 14-7= 15-7= 11-7= 13-5= 11-4= 11-8=
15-6= 16-9= 11-9= 12-9= 12-7= 13-7= 11-5= 17-8= 11-8=
12-3= 17-8= 13-7= 14-9= 14-7= 15-7= 12-6= 13-4= 13-6=
11-7= 18-9= 11-5= 12-8= 18-9= 13-4= 11-6= 11-7= 12-4=
13-8= 13-8= 11-3= 11-6= 13-8= 17-8= 14-9= 12-5= 11-5=
11-9= 14-9= 11-5= 12-3= 11-9= 13-4= 13-5= 12-3= 14-5=
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