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20以内直加直减

2+17= 2+18= 3+3= 3+4= 3+5= 19-10= 18-1= 18-2= 18-3= 18-4= 3+16= 3+17= 4+4= 4+5= 4+6= 13-5= 13-6= 13-7= 13-8= 13-9=

4+7=

4+8=

4+9=

4+10=

4+11=

13-10=

12-1=

12-2=

12-4=

12-5=

4+12=

4+13=

4+14=

4+15=

4+16=

11-1=

11-2=

11-3=

11-4=

11-5=

7+5=

14-6=

15-7=

6+7=

8+9=

3+8=

11-7=

13-6=

14-7=

6+9=

6+9=

5+8=

7+3=

6+6=

9+5=

7+9=

8+8=

5+8=

14-9=

17-6=

4+7=

9+4=

6+8=

9+7=

7+8=

9+8=

4+6=

5+3=

6+8=

17-5=

3+7=

6+8=

9+6=

2+8=

6+9=

14-6=

5+7= 4+7= 7+9= 15-8= 6+9= 8+4= 9+8= 8+5= 9+11= 16-7= 13-7= 7+4= 8+3= 17-6= 19-8= 8+5= 9+5= 8+6= 7+14= 8+2=

4+7=

3+9=

12-8=

5+8

3+5=

13-6=

6+9=

9+5=

13-8=

4+6=

9+9=

8+7=

4+7=

6+3=

12-9=

9-3=

8+3=

5+7=

5+6=

6+8=

9+2=

7+4=

5+5=

4+9=

10+6=

9+5=

10+4=

6+10=

8+5=

14-6=

7+2=

6+5=

6+8=

9+6=

8+5=

3+6=

8+5=

7+9=

5+7=

6+8=

4+7=

5+9=

9+4=

7+8=

6+5=

4+9=

5+7=

7+7=

8+4=

5+3=

2+7=

6+4=

7+4=

3+6=

13-6=

18-9=

11-7=

6+9=

()+5=12 17-9=

13-6=

14-5 =

15-6=

18-()=9 12-9=

12+8=

11-9=

4+8=

5+()=14 16-4=

7+9=

16-7=

2+17=

11-()=5 12-8= 17-8=

18-1=

17-8=

17-()=10

15-7=

10-4 =

14+6 =

16-9=

14+()=18

15+5=

16-8=

14-7 =

12+8 =

()+8=12

8+6=

14-10 =

8+8=

14-9=

()-12=3

7+5=

14-4=

11+9 =

11-6=

()-8=8

17+1 =

15-8=

16+3=

5+8=

()+5=18

9+2=

8+4=

7+5=

6+6=

5+6=

15-9=

14-8=

12-7=

11-6=

13-5=

9+4=

7+8=

7+7=

6+5=

5+7=

12-9=

16-8=

15-7=

14-6=

11-5=

9+6=

8+8=

7+6=

6+8=

5+8=

16-9=

11-8=

13-7=

15-6= 12-5= 9+8= 5+8= 7+4= 6+9= 5+9= 13-9= 13-8= 14-7= 12-6= 14-5= 9+3= 9+8= 7+8= 6+7= 4+9= 11-9= 12-8= 16-7=

13-6=

15-5=

14-9=

15-8=

17-10=

12-3=

11-4=

11-3=

12-4=

13-4=

11-2=

14-10=

4+8=

5+7=

2+9=

7+5=

8+6=

14-6=

12-5=

11-5=

13-8

15-6=

7+7=

9+9=

9+6=

8+5=

8+9=

11-5=

12-6=

14-9=

16-9=

15-8=

4+7=

6+6=

8+8=

9+3=

7+7=

14-8=

15-6=

16-9=

17-8=

18-9=

9+9=

7+5=

8+6=

5+9=

13-8=

17-10=

16-1=

16-2=

16-3=

16-4=

1+11=

1+12=

1+13=

1+14=

1+15= 20-10= 19-1= 19-2= 19-3= 19-4= 18-5= 18-6= 18-7= 18-8= 18-9= 17-5= 17-6= 17-7= 17-8= 17-9= 6-5= 10-3= 16-4= 11-5=

12+6=

16-10=

15-1=

15-2=

15-3=

15-4=

2+7=

2+8=

2+9=

2+10=

2+11=

15-10=

14-1=

14-2=

14-3=

14-4=

1+16=

1+17=

1+18=

1+19=

2+0=

19-5=

19-6=

19-7=

19-8=

19-9=

2+12=

2+13=

2+14=

2+15=

2+16=

15-5=

15-6=

15-7=

15-8=

15-9=

18-10=

17-1=

17-2=

17-3=

17-4=