20以内不进位不退位加减法

10-9= 19-8= 13+5= 19+0= 13+3=

12-2= 15-3= 16+2= 15+4= 16-3=

15-3= 14-2= 19+0= 14+3= 15+3=

14-2= 18-4= 18+1= 18+1= 12-2=

16-5= 12-0= 15+4= 16+2= 11-1=

17-1= 11-1= 14+3= 13+4= 14+5=

18-8= 10-6= 12+4= 12+6= 18-4=

19-6= 13-2= 11+5= 11+2= 15-2=

12-0= 16-5= 15+4= 10+3= 17+1=

15-4= 15-1= 14+4= 15+0= 14+5=

11-0= 12-2= 12+4= 14+4= 19+0=

13-3= 10-3= 10+2= 11+5= 16+2=

16-4= 18-8= 13+3= 12+7= 13+5=

15-5= 17-4= 16+3= 16+3= 12+7=

14-2= 19-6= 15+2= 13+2= 11-0=

18-7= 15-1= 12+5= 15+2= 10-6=

12-2= 16-3= 10+0= 14+4= 12+6=

16-4= 12-2= 11+4= 12+5= 13-2=

15-3= 14-4= 10+6= 11+3= 14+5=

17-2= 11-1= 15+4= 10+2= 10-2=

15-0= 12-1= 16+2= 15+1= 12+3= 19-9= 16-6= 13+3= 13+3= 13-3=

12-2= 19-8= 16+2= 16+2= 19+0=

13-1= 15-4= 15+4= 15+4= 15-5=

15-3= 14-2= 12+1= 18+0= 17-4=

14-4= 12-1= 11+3= 14+4= 15-5=

16-2= 16-5= 17+0= 17+1= 14+2=

15-1= 15-3= 18+1= 15+4= 18-3=

17-4= 13-2= 14+4= 14+3= 12+1=

19-0= 16-4= 19+0= 12+5= 11-1=

15-3= 19-5= 16+2= 11+4= 15+3=

11-0= 15-1= 15+3= 19+0= 16-4=

13-2= 18-7= 14+0= 15+1= 13+2=

14-4= 14-2= 12+1= 16+0= 10-0=

16-5= 17-3= 11+5= 13+6= 12+3=

18-7= 14-2= 10+2= 12+7= 11-1=

15-2= 15-4= 19+0= 11+3= 14+5=

19-3= 18-7= 15+1= 10+5= 12+6=

12-0= 12-2= 14+3= 14+5= 15-3=

16-5= 13-3= 17+2= 15+4= 19+0=

12-2= 14-2= 14+0= 19+0= 10+1=

14-1= 11-0= 16+1= 18+1= 14-3=