一年级20以内退位减法练习题1
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13-4= 13-5= 12-4= 10-4= 14-8= 17-9=
10-6= 10-5= 17-9= 12-7= 11-2= 11-5=
14-9= 14-8= 11-8= 10-7= 15-9= 16-8=
11-6= 15-6= 15-9= 12-3= 16-7= 13-5=
16-8= 13-9= 10-9= 13-6= 13-5= 11-6=
12-4= 15-7= 10-5= 15-9= 11-3= 13-9=
12-7= 10-9= 10-4= 11-7= 11-8= 17-9=
11-5= 10-7= 12-6= 10-8= 10-3= 10-3=
12-8= 15-8= 15-8= 12-8= 17-8= 12-7=
18-9= 10-4= 11-2= 13-9= 14-8= 14-7=
13-8= 10-3= 11-9= 10-1= 15-6= 13-9=
18-9= 16-7= 14-7= 12-8= 10-3= 17-8=
13-6= 10-1= 13-9= 11-2= 13-8= 16-9=
18-9= 14-9= 11-8= 16-9= 11-9= 16-8=
13-7= 12-7= 16-7= 15-6= 16-9= 15-9=
14-7= 16-8= 11-9= 16-7= 15-9= 12-8=
11-2= 10-3= 10-3= 11-4= 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= 12-3= 13-6= 15-9= 13-9= 10-9=
16-7= 13-5= 16-8= 12-4= 15-7= 10-5=
15-9= 11-3= 12-7= 10-9= 10-4= 11-7=
13-9= 11-5= 10-7= 12-6= 11-3= 17-9=
10-8= 10-3= 10-3= 12-8= 15-8= 18-9=
15-8= 12-8= 17-8= 12-7= 10-4= 11-2=
13-9= 14-8= 14-7= 13-8= 10-3= 11-9=
10-1= 15-6= 18-9= 16-7= 14-7= 12-8=
13-9= 10-3= 17-8= 13-6= 10-1= 13-9=
11-2= 13-8= 16-9= 18-9= 14-9= 13-7=
11-8= 16-9= 11-9= 16-8= 12-7= 16-7=
14-9=12-3=13-4=14-5=14-6=14-7=11-7=11-3=12-4=12-5=12-9=11-4=12-7=12-6=13-7=14-8=11-6=11-5=13-8=11-2=13-5=12-8=13-9=16-9=13-6=17-9=17-8=18-9=11-9=16-8=11-8=16-7=15-6=15-7=15-8=15-9=
20以内加减法
12-7=8+7=13-7=14-8=13-5=12-8=9+9=13-9=9+5=8+6=7+7=6+8=12-6=18-9=17-9=6+9=9+7=8+8=7+9=16-9=9+8=17-8=9+6=13-4=11-6=11-5=13-8=13-6=14-9=7+8=5+9=8+9=8+6=15-7=16-7=15-9=
9+8=4+9=5+6=14-7= 8+8=8+4=15-8=15-9= 8+8=16-8=14-8=18-4= 7+9=12-8=11-2=18-9= 6+6=9+2=12-5=15-7= 14-6=9+2=12-6=16-5= 20-9=11-3=17-5= 17-8= 16-9=7+8=15-6=9+9= 4+7=19-8=13-5=7+6= 15-9=14-5=15-8=12-4= 20-6= 19-9= 12-9= 23+9= 14-9=5+8=8+6=4+8= 13-6=12-4=14-9= 15-7= 16-3=11-4= 18-9=11-6= 12-7=14-2=12-3=14-8= 11-8=20-5=9+9=16-7= 17-9=11-9=13-4=7+7= 13-9=12-4=20-3=11-5= 15-4=5+7=20-5=3+8= 13-8= 14-8=11-2=15-9= 13-7=11-5=11-3=17-8=