小学一年级20以内加减法(打印版)

实用文档

17-2=

14-1=

15-10=

4+7=

12-3=

13-1=

12-8=

19-18=

20-0=

6+8=

10+0=

12+3=

19+1=

12-5=

2+10=

4+16=

13+1=

15-8=

11-9=

17-9=

17-15=

19-3=

12+3=

6+7=

16-12=

18-4=

18-16=

19-17=

11-2=

15-1=

20-17=

7+4=

20-7=

11+0=

14-6=

18-5=

16+3=

17-11=

15-15=

19-18=

11-10=

11-0=

15+2=

16-15=

13-9=

15-7=

13+2=

4+13=

19+1=

14-11=

7+8=

13-8=

17-6=

5+7=

17-14=

10+3=

14-5=

18+0=

9+11=

18-5=

17-17=

11-3=

20+0=

9+5=

4+7=

0+13=

19-16=

13-5=

15-15=

15-13=

2+17=

15+2=

18-8=

20-16=

18-6=

20-0=

9+4=

18-15=

13+4=

14-9=

17-0=

13-11=

8+12=

7+12=

13-5=

14-14=

2+18=

8+12=

9+11=

9+7=

5+13=

17+0=

12+5=

16-6=

20-2=

19-3=

19-12=

19-12=

17-11=

0+12=

.

.

.

11+7=

16-2=

20-3=

5+10=

18-3=

10-10=

18-14=

10+9=

11-9=

13+7=

18-3=

20-2=

4+15=

7+10=

1+16=

11-5=

13-5=

11+5=

2+10=

16-3=

15-3=

5+8=

19-9=

15-1=

1+17=

16-0=

14-0=

20-15=

17-0=

17-6=

20-3=

8+8=

18+0=

16-4=

1+16=

1+12=

12-1=

8+6=

0+12=

8+8=

11+4=

15-14=

1+11=

15-7=

13-5=

14-6=

10+6=

18-2=

19-14=

16-0=

9+8=

19-17=

16-5=

15-11=

14-4=

13-1=

14-12=

11-5=

11+7=

18-9=

19-15=

8+8=

17-0=

13-8=

11-6=

18-17=

11+7=

17-7=

3+8=

19-4=

2+12=

14-11=

16-14=

11+7=

10+10=

20-14=

20-4=

20-19=

15-12=

15-15=

20-9=

12-5=

9+5=

13+2=

18-1=

4+13=

14-10=

2+17=

11-7=

12+2=

3+13=

13+0=

20-18=

3+17=

16-3=

14-4=

0+13=

14-0=

18-14=

18-16=

.

.

.

4+9=

10+8=

2+14=

8+8=

17-9=

16-2=

14-3=

20-4=

19-0=

17-7=

14-9=

15-13=

6+8=

15-2=

17-4=

11-3=

18-13=

13+2=

16-5=

5+11=

13-8=

19-0=

15-5=

12-0=

11-1=

12-6=

15-10=

17-4=

12-4=

5+13=

11-4=

18-17=

15-14=

15+2=

9+5=

14-1=

6+7=

17+2=

14+6=

19-3=

6+14=

0+16=

20-12=

12-8=

17-15=

15-14=

16-11=

14+0=

3+13=

14+0=

13-0=

17-3=

20-1=

16-9=

20+0=

4+7=

4+7=

11-9=

11+3=

14+2=

17-1=

19-16=

1+19=

7+8=

19-15=

20-5=

14-2=

17-4=

15-12=

15-14=

5+6=

13-4=

11-8=

15-5=

15-12=

7+10=

14+1=

14-11=

19-6=

17-5=

3+11=

18-11=

12-12=

13-13=

16-1=

10+9=

16-16=

19-2=

19-11=

15-7=

20-2=

17-6=

11-4=

12+1=

1+18=

12-6=

8+6=

16-15=

19-2=

12-9=

.

.

.

20-3=

12+0=

16-7=

20-20=

15-4=

18-5=

12-7=

16-9=

11-8=

17-10=

17-15=

14-13=

6+13=

20-19=

12-4=

13-2=

15-15=

15-8=

12+6=

7+10=

16-2=

10+1=

18-15=

19-16=

17-2=

15-13=

18-15=

18-16=

20-1=

11-7=

0+20=

20-0=

10+2=

13-10=

20-6=

11-0=

20-0=

13-0=

17-16=

19-16=

12+6=

19-18=

13-2=

16-11=

14-9=

16-15=

5+10=

14-1=

18-0=

17-2=

11-7=

1+12=

1+10=

17-2=

12-1=

0+17=

20-12=

0+18=

20-0=

16-14=

15+0=

12-2=

19-3=

12+7=

14+0=

19-4=

20-19=

6+14=

11+4=

11-5=

16-0=

19-11=

12-6=

11-0=

8+3=

12-8=

15-5=

11-9=

13-9=

18-14=

16-7=

18-15=

3+15=

17+0=

3+13=

3+17=

14-13=

14-10=

16-1=

16-13=

10+2=

3+16=

20-3=

2+10=

18-4=

16-0=

19-6=

17-15=

19-11=

17-5=

.

.

.

6+13=

20-14=

16-3=

17-16=

14-13=

7+7=

11+6=

13-2=

19-16=

17-14=

12-12=

19-13=

16-0=

9+11=

1+16=

18-16=

18-3=

7+8=

16+4=

7+7=

15-13=

13-3=

20-19=

15-14=

14-5=

9+9=

17-17=

3+17=

9+5=

13-4=

18-18=

2+11=

13+1=

18-0=

19-11=

5+7=

14+3=

8+11=

13-1=

14-1=

2+17=

7+10=

20-3=

9+11=

13-8=

18-4=

4+14=

20-3=

10-0=

12+7=

13-10=

14-6=

5+9=

6+5=

18-4=

15-0=

17-4=

1+18=

8+11=

10-10=

11-9=

15-14=

19-12=

13-13=

16-13=

18-8=

14-4=

19-5=

16-8=

12-11=

19-14=

15+4=

19+0=

16+1=

18-4=

18-8=

16+2=

9+4=

18-0=

15-6=

15-6=

14-3=

18-13=

17-10=

13-6=

19-7=

9+11=

20-17=

12-3=

16-14=

11-3=

14+2=

20-14=

10-10=

16-13=

13-4=

8+6=

12-10=

16-6=

14-0=

.

.

.

6+14=

4+14=

14-8=

10-0=

20-16=

5+7=

16-9=

15-3=

7+9=

20-8=

18-13=

20-20=

15-4=

16+4=

18-6=

12-2=

5+9=

17+0=

1+15=

19-5=

16-12=

17+3=

13-4=

7+10=

20-0=

20+0=

13-9=

20-1=

17-8=

17-3=

19-14=

13-0=

20-14=

19-13=

16-12=

12-4=

19-0=

16-7=

20-5=

11+7=

0+16=

12+2=

15-9=

15-12=

11-11=

11+4=

12-0=

14-4=

15-6=

0+19=

10+2=

19-9=

6+13=

10+7=

15-13=

20-20=

13-1=

1+13=

12-3=

19-4=

20-9=

14-13=

20-1=

17-6=

0+13=

20-1=

20-1=

14-0=

16-2=

19-11=

7+4=

9+8=

13+4=

17+2=

19-17=

15-13=

20-11=

12-5=

19-7=

11-2=

16-3=

15-10=

17-16=

10-10=

13-1=

0+19=

16-6=

18-5=

14+3=

18-12=

5+6=

18-12=

17-17=

15-7=

17-11=

8+8=

8+10=

16-7=

3+11=

13-10=

.

.

.

10+7=

9+7=

12-2=

12-4=

5+11=

14-2=

18-3=

13-8=

20-15=

20-9=

14-3=

20-2=

20-8=

17-2=

13-12=

20-13=

15-9=

17-8=

17-12=

18-6=

14-6=

15-3=

17-7=

20-8=

13-1=

3+9=

12-2=

4+7=

8+8=

11-4=

15+0=

0+13=

2+14=

11-4=

11-9=

20-2=

18-2=

13-0=

17-3=

0+16=

14+4=

14+2=

3+12=

12-5=

20-3=

13-12=

3+11=

11-4=

17-16=

11-7=

20-2=

15+4=

16-3=

20+0=

13-5=

1+10=

19-3=

16-8=

17-6=

9+11=

5+11=

1+17=

16-15=

19-4=

16+4=

17-15=

6+10=

15-12=

13-10=

13-3=

17-1=

19-13=

12-2=

15-13=

6+14=

1+16=

12-9=

17-6=

16-14=

18-11=

15-2=

4+9=

18-0=

19-6=

18-8=

3+11=

20-10=

17-4=

13-8=

19-19=

14-1=

17-5=

14-8=

3+13=

20-15=

15-4=

13+0=

14-4=

20-1=

13-7=

.

.

.

11-2=

17-16=

1+17=

13-4=

14-3=

16+4=

4+15=

15+0=

4+14=

20-5=

20-9=

20-12=

13-1=

11+7=

16-11=

13-11=

11-1=

5+15=

3+15=

16-7=

20-5=

6+9=

17-11=

11+3=

12-10=

19-15=

18-8=

14-4=

17-16=

15-12=

11-5=

11-9=

13-7=

17-2=

20-14=

15-10=

17-7=

19-19=

16+1=

13-12=

16-4=

13-2=

10+4=

5+8=

20-9=

17-7=

14-7=

16-3=

17-13=

11+8=

8+5=

14+1=

19-8=

20-10=

6+5=

17-17=

16-9=

20-15=

17+2=

17-7=

18-15=

17+3=

14-11=

17-6=

12-8=

8+3=

17-14=

17+1=

1+10=

12-7=

20-16=

14+0=

20-0=

18-7=

12-9=

15-13=

5+7=

17-0=

7+5=

15-0=

16-13=

20-19=

16-4=

14-5=

14-3=

14-12=

20-8=

19-11=

18-14=

15-7=

18+1=

17-5=

1+11=

2+16=

15-7=

17-16=

12-3=

14-7=

12-5=

12-9=

.

.

.

.

10+5=

9+10=

15-7=

0+18=

12-3=

4+11=

17-0=

17-9=

13-5=

16+4=

9+10=

15-2=

20-18=

15-11=

14-12=

15-9=

20-10=

14-10=

8+11=

10+3=

9+3=

12-3=

18-9=

0+17=

4+14=

0+17=

15-8=

6+10=

16-1=

1+10=

13-12=

13-8=

11-0=

12-10=

15-3=

1+11=

14+1=

16+3=

11-5=

7+4=

0+20=

13-11=

1+15=

14-0=

15-12=

11-9=

12+0=

17-1=

16-1=

14-2=

19-18=

13+1=

4+13=

17-9=

6+14=

1+17=

18-6=

6+10=

15-12=

14-13=

14-12=

0+14=

15-6=

16-5=

1+14=

17-3=

20-1=

13-4=

14-9=

7+7=

1+18=

18-18=

19-2=

19+0=

14-14=

14-4=

11-4=

14-6=

18-3=

11-9=

11+6=

14-14=

16-2=

16-13=

8+4=

18-18=

17-5=

19-19=

4+13=

14-2=

11-11=

5+8=

2+12=

11-7=

11-5=

12-9=

14-2=

19-17=

20-16=

2+18=

.

.

20-6=

15-7=

19+1=

19-7=

19-8=

20-16=

14-13=

18+2=

14+4=

20-10=

20-18=

6+12=

20-6=

14+4=

7+5=

16-3=

19-6=

20-14=

3+15=

0+14=

8+6=

20-2=

10+1=

17-7=

6+12=

18-2=

2+11=

15-11=

15-14=

17-0=

14+1=

19-4=

19-6=

2+10=

15-7=

1+14=

16-12=

11-8=

20-14=

15-13=

2+9=

11-3=

18+1=

6+13=

11-0=

14+1=

20-14=

8+6=

18-9=

12+3=

0+11=

16-6=

17-5=

20-11=

20-19=

0+16=

17-14=

14-4=

19-13=

15-12=

13+2=

15-14=

3+10=

17-14=

13-13=

12+3=

14-0=

16-4=

18-2=

20-17=

1+15=

17-16=

19-7=

5+13=

17-6=

18-15=

14-10=

14+4=

17-13=

17-13=

17-12=

16-15=

10-10=

18-8=

18-8=

14-0=

12-10=

1+10=

18-10=

15-6=

17+3=

17-11=

12-5=

10+0=

19-15=

4+14=

17-1=

13-1=

11-7=

19-19=

.

.

.

.

17-10=

16-16=

18-5=

15-3=

19-7=

18-2=

19-15=

6+14=

20-7=

12-6=

1+15=

19-19=

20-6=

11+1=

14-3=

0+13=

9+6=

8+12=

16-2=

5+7=

16-15=

2+14=

12-2=

11+2=

15-14=

19-5=

20-17=

14-3=

3+17=

11-10=

5+6=

14-7=

19-2=

19-0=

15-14=

13-2=

17-5=

17+2=

13-11=

2+18=

16-9=

20-19=

16-15=

10-10=

11-6=

16-13=

11-7=

12-7=

15-4=

16-0=

12+2=

17-9=

12+0=

3+14=

11-9=

14-3=

17-8=

4+8=

14+6=

19-18=

19-0=

16-12=

6+14=

12-2=

16-10=

17+3=

12+2=

5+10=

17-8=

18-4=

19-5=

20-0=

19-1=

20-17=

15-10=

19-1=

16-12=

16-1=

18-8=

12-2=

12-10=

3+9=

15+0=

20-11=

9+10=

18-15=

14-6=

14-10=

0+20=

19-8=

12+7=

10+8=

16-1=

19-5=

14-6=

14-1=

5+10=

0+17=

2+18=

14-9=

.

.

.

15+3=

10+10=

0+19=

19-3=

18-13=

15-12=

4+12=

11-0=

14-13=

15-4=

12+7=

20-1=

13-5=

18-13=

19-3=

3+13=

13-3=

19-16=

17+1=

12-8=

16-1=

9+4=

18+1=

10+2=

15-13=

17-11=

6+10=

14-12=

15+5=

18-16=

20-10=

17-0=

17-4=

20-18=

13-4=

18-10=

18-6=

11-4=

11-6=

3+16=

13-1=

12-1=

14-9=

17-1=

15-6=

5+12=

18-16=

17-11=

3+11=

18-6=

16-5=

6+7=

15-14=

20-4=

17-11=

1+11=

14+4=

4+15=

17-5=

16-6=

2+12=

15-11=

2+13=

11-0=

13-0=

17-9=

1+13=

1+12=

16-6=

3+14=

19-11=

13+7=

19-14=

15-7=

15-9=

17-3=

15-9=

3+17=

10+5=

15-13=

18-6=

12-4=

12-11=

19-7=

12-1=

11+4=

11+2=

20-8=

12-11=

16-3=

11+5=

20-14=

19-17=

10+4=

17-10=

17-3=

7+5=

6+14=

20-11=

14-6=

.

15-6=

14-8=

16-6=

15-7=

18-15=

12-11=

13+5=

14-0=

13-10=

17-15=

11-7=

19-4=

18-16=

17-0=

20-2=

10+2=

17-17=

2+15=

16-16=

13-9=

12+3=

16-14=

8+4=

5+7=

15-4=

18-18=

20-0=

4+8=

18-0=

9+6=

17-7=

5+7=

17-17=

20-3=

18-14=

15-7=

16-0=

8+11=

12-3=

16-10=

11-7=

14-12=

15-12=

15-12=

20-13=

16-6=

20-1=

13-6=

15-3=

15-5=

9+8=

12-3=

6+10=

13-6=

17-6=

15-14=

12-6=

9+3=

18-16=

17-10=

14+5=

16-16=

9+6=

13-11=

14+4=

20-6=

18-3=

2+17=

18-14=

20-12=

16-11=

16-7=

7+5=

15-6=

20-18=

14+5=

0+14=

19+0=

7+11=

12-8=

19-10=

20-2=

0+12=

15-5=

17+2=

17-0=

14-14=

0+18=

17-9=

14+3=

11+5=

2+12=

3+11=

15-10=

13-7=

17-13=

4+14=

14-3=

16-6=

17-16=

.

.

15+1=

18-10=

12-1=

13-5=

12-0=

14-3=

13-3=

14-2=

17+2=

11-9=

5+10=

15-5=

11+9=

19-2=

16-0=

13-13=

19-6=

11-6=

17-13=

15-1=

16-5=

6+12=

17-8=

10-0=

19-8=

14+2=

3+13=

13-0=

20-11=

18-0=

19-15=

15-5=

2+12=

18-11=

17-1=

10+0=

20-18=

18-0=

7+6=

12-8=

19-9=

7+9=

19-7=

12-2=

20-5=

19-2=

20-10=

18-12=

3+10=

5+6=

16-8=

14+5=

18-6=

10+5=

12-3=

0+20=

16-1=

20-3=

20-4=

16+1=

7+9=

16-4=

0+17=

12-3=

15-5=

6+11=

6+9=

10-10=

14+2=

18-5=

16-3=

10+9=

13-8=

19-7=

15-1=

18-15=

16-15=

10+6=

20-2=

16-15=

18-1=

0+17=

0+15=

9+2=

11-3=

13-2=

4+7=

14-13=

17-8=

17-12=

9+2=

14-2=

20-8=

17-7=

17-4=

6+7=

12-2=

15+0=

9+9=

13-9=

.

.

.

13-12=

16-2=

4+10=

18-10=

20-7=

11+3=

20-20=

13-1=

20-11=

17-8=

18-3=

14-6=

12-1=

17+2=

16-4=

20-17=

17-10=

18-2=

12-12=

20-17=

14-7=

19-8=

2+18=

14-0=

12+1=

20-15=

13+5=

11+9=

18+2=

18-16=

3+16=

13-6=

12+4=

15-14=

8+6=

5+14=

13-7=

17+2=

12+4=

15+5=

20-5=

8+3=

16+3=

13+7=

17-15=

15+1=

19+0=

14-13=

20-4=

20-0=

13-4=

13-5=

18-17=

18-9=

0+18=

10+0=

8+5=

19-14=

0+19=

15-4=

11-5=

11+8=

15-12=

0+20=

20-3=

16-4=

17-15=

19-17=

18-13=

14-11=

19-18=

17-7=

14+6=

17-9=

18-5=

8+5=

1+10=

13-4=

13-4=

14+0=

0+13=

11-10=

12-10=

11-11=

4+9=

4+11=

5+10=

14-3=

16-8=

9+10=

11-3=

17-12=

14-5=

12-7=

19-11=

7+8=

12+2=

17-7=

18-9=

17-1=

.

.

.

3+17=

20-6=

6+5=

17-17=

20-20=

16-16=

14+1=

17+0=

15-2=

18-6=

14-1=

12-6=

0+18=

13+3=

9+8=

1+15=

13-0=

8+11=

19-15=

19-13=

15-8=

3+15=

13-8=

14-9=

20-18=

15-1=

15-12=

0+12=

16-11=

18-8=

15-2=

2+14=

14-3=

0+18=

12-2=

13+1=

13-1=

20-7=

18+0=

4+13=

1+18=

15+1=

4+11=

17-1=

11-9=

3+12=

9+4=

18-7=

11-5=

9+8=

20-7=

18-6=

20-12=

14+2=

14-7=

9+10=

20-6=

17+1=

3+17=

4+15=

11+6=

13-4=

20-7=

20-11=

13-4=

10+9=

18-6=

20-15=

11+9=

17-6=

18-3=

0+14=

12-4=

9+4=

7+7=

16-0=

16-6=

15-15=

20-18=

17-4=

19-1=

17-0=

8+6=

17-15=

19-13=

17+0=

19-15=

17-13=

13+5=

18-14=

12+8=

20-16=

1+10=

13-4=

14-7=

15+2=

18+1=

15-0=

5+9=

17+3=

.

.

.

8+8=

13-2=

15-2=

5+13=

4+7=

14-11=

13-5=

17-10=

17-16=

15-5=

7+6=

12-5=

17-17=

17-13=

12-9=

3+11=

13+0=

18-8=

13-10=

14-7=

8+11=

10+0=

19-12=

13-12=

12-0=

13+4=

18-11=

15-1=

20-6=

20-4=

14-1=

14-8=

13-1=

11-3=

17-4=

14-12=

17-6=

16+3=

14-8=

20-17=

14-1=

9+10=

15+3=

10+1=

20-9=

17-4=

17-6=

17-0=

17+2=

17+2=

16-4=

18-16=

10+7=

5+12=

20-8=

12-0=

12+3=

20-20=

12-3=

16-4=

19+0=

13+3=

15-6=

19+1=

3+12=

11-1=

11-1=

17-4=

17-9=

20-7=

5+15=

13-8=

11+3=

20-17=

15+2=

18-17=

14+6=

11+3=

17-17=

8+4=

19-3=

20-2=

19-2=

12-8=

9+11=

20-8=

3+11=

0+19=

16-7=

19-11=

15-13=

7+8=

16-5=

20-18=

0+15=

15-2=

11-2=

18-5=

13-2=

19-15=

.

.

.

1+13=

17-15=

16-8=

15-4=

15-6=

5+10=

20-8=

15-6=

2+17=

17-10=

18-1=

11+6=

2+15=

13-10=

15-7=

14+3=

16-4=

19-18=

18+2=

7+8=

20-2=

14-9=

14-5=

18-5=

17-14=

1+19=

20-12=

16-4=

1+12=

19-16=

18-11=

15-4=

19-3=

4+9=

14-2=

18-0=

15-8=

18-1=

15-7=

13-6=

18-15=

12-3=

3+9=

12-3=

19-12=

5+8=

19-18=

15+4=

20-17=

19+1=

19-7=

5+7=

4+13=

13-11=

19-6=

15-5=

8+7=

15-8=

12-6=

5+6=

0+20=

11-5=

11+4=

7+6=

17+3=

18-18=

10-0=

8+6=

20-3=

12-3=

15-13=

2+11=

0+15=

12-4=

19+0=

1+13=

20-10=

19-0=

12+2=

18-1=

18-0=

8+6=

19-2=

9+5=

7+9=

16-1=

12-7=

19-10=

11-4=

11-7=

11-2=

6+7=

4+15=

20-0=

6+9=

17-9=

10+4=

17-2=

17-5=

16-4=

.

.

.

11-9=

12+1=

18-9=

19-14=

17-16=

16-7=

18-8=

6+6=

18-16=

14-6=

17-7=

9+9=

13-10=

20-0=

12-12=

13-3=

17-11=

20-19=

19-3=

16-2=

8+5=

15-1=

18-5=

14-6=

7+5=

13-9=

7+11=

9+4=

10+5=

6+5=

6+14=

15-12=

15+1=

15-11=

19-4=

19-19=

14-1=

10+8=

18-12=

20-2=

16-11=

18-0=

15+0=

16+1=

2+12=

13-9=

20-3=

0+17=

20-20=

19+1=

12+6=

8+12=

20-6=

11+6=

2+15=

19-17=

7+4=

8+10=

16+2=

19-18=

15-5=

20-16=

6+8=

15-11=

19-2=

20-5=

18-18=

2+14=

9+6=

19-15=

19-12=

9+4=

5+10=

14-8=

19-16=

4+8=

17-16=

10+9=

12+1=

20-0=

9+9=

5+10=

11-3=

6+6=

14-7=

13-0=

20-3=

12-1=

20-0=

9+9=

14-13=

11-0=

12-10=

16-12=

12-9=

20-8=

0+11=

1+13=

19-4=

12-1=

.

.

.

1+16=

18-2=

15-11=

20-18=

11+8=

16-16=

4+9=

14-4=

19-8=

7+11=

17-13=

20-6=

19-11=

19-19=

20-2=

13-12=

10+9=

20-19=

18-10=

17-17=

15-10=

20-11=

18-0=

14+0=

15-3=

18-1=

20-5=

18-10=

6+11=

19-4=

14-9=

4+7=

13-9=

15-12=

10+3=

18-14=

13-3=

17-4=

17-11=

13-13=

17-1=

17-17=

12-3=

15-9=

13-5=

19-0=

14-3=

18-8=

20-2=

10+6=

20-1=

18-4=

13-7=

17-9=

15-7=

0+11=

20-6=

18-1=

19-12=

18-9=

20-2=

4+14=

20-20=

15-5=

12+3=

16+4=

17-11=

8+3=

13-6=

0+19=

12-11=

14+2=

9+4=

9+5=

19-0=

19-18=

11+1=

0+11=

17+3=

18-18=

16-0=

12-11=

12-7=

18-2=

19-12=

7+11=

9+5=

16-10=

15+4=

14-13=

12+7=

11-6=

0+19=

19-3=

16-3=

18-7=

11-0=

19-14=

8+7=

11-3=

.

.

.

12-5=

11-4=

16-15=

17-7=

5+15=

20-1=

17+3=

1+10=

8+5=

12+1=

12-9=

15-14=

4+7=

19-10=

17-11=

15-3=

18-0=

15-3=

17-9=

19-1=

17-17=

12-1=

14+6=

20-10=

13-7=

1+12=

15-4=

16-9=

17-6=

13+7=

1+12=

13-2=

7+10=

18-18=

14-14=

20-18=

12+7=

15-8=

15-12=

11-4=

3+15=

1+18=

18-13=

20-5=

11-4=

19-17=

18-16=

16-4=

19-18=

13-12=

20-15=

15-1=

15-8=

11-1=

6+12=

19-8=

19-2=

16-8=

16-7=

4+15=

17-11=

12-7=

19-17=

11-2=

20-7=

12+5=

5+8=

16-8=

9+3=

16+1=

20-9=

19-8=

18-11=

7+9=

11-1=

18-15=

2+13=

0+15=

13-10=

20-8=

17-1=

1+18=

6+7=

18-9=

17-3=

2+16=

14-0=

14+5=

20-1=

11-8=

15-10=

16-14=

17-10=

12-2=

14-8=

16-4=

19-0=

19-19=

14-1=

14-8=

.

.

.

16-5=

15+5=

2+9=

18-3=

18-6=

2+9=

14-10=

5+12=

12-0=

18-6=

18-12=

19-6=

16-13=

18-18=

19-14=

13-2=

9+8=

18-10=

12+2=

15-13=

3+11=

17-1=

15-15=

18-8=

10+0=

17-12=

16+0=

1+12=

14-14=

18-13=

14-13=

17-11=

16-3=

18-14=

15-9=

11-0=

19-9=

17-8=

19-10=

11+8=

18-7=

15-3=

5+7=

16-5=

12+3=

6+14=

14+5=

14-5=

15-9=

1+12=

19-6=

18-6=

12+3=

11-1=

0+11=

16-5=

12+6=

17-5=

14-12=

15-6=

13-13=

18-3=

3+15=

18-12=

15-13=

14+3=

18-14=

18-3=

10+4=

1+18=

15-11=

6+12=

17-8=

8+9=

14-8=

15-9=

5+7=

14-2=

2+18=

11+2=

5+8=

17+0=

20-2=

5+15=

8+6=

17-4=

11-2=

20-2=

12+6=

18-17=

8+4=

15-10=

20-19=

8+8=

1+14=

19-10=

2+9=

5+13=

18-3=

19-10=

.

.

.

20-1=

19-12=

17-5=

4+11=

19-14=

13-9=

20-13=

20-8=

14-3=

14-4=

15-6=

12+8=

18-3=

13-12=

4+15=

18-12=

1+13=

15+2=

16-7=

16-1=

17-17=

16-5=

10+9=

2+9=

19-2=

12+7=

6+12=

19-8=

17-2=

8+9=

11-9=

20-19=

18-1=

20+0=

8+9=

12-11=

15-2=

17-15=

17-17=

0+20=

19-15=

17-1=

12-0=

6+5=

19-18=

11-1=

17-16=

11-5=

15-11=

18-16=

2+12=

13-7=

15-8=

19-18=

17-6=

5+9=

15+5=

16+0=

5+8=

20-4=

14-0=

19-9=

13+2=

12-5=

0+18=

4+16=

16-12=

15-1=

14-1=

2+18=

14-9=

18-14=

19-15=

12+6=

11+6=

20-2=

17-1=

18+2=

4+16=

9+4=

1+19=

13-4=

13-9=

20-17=

19-12=

6+7=

12-7=

16-15=

11-9=

12-8=

15-9=

5+10=

19-0=

11+2=

17-0=

18-13=

15-3=

3+15=

19-1=

9+5=

.

.

.

12-10=

17-7=

18-9=

16-14=

16+0=

18-11=

17+0=

0+11=

1+18=

5+12=

19-10=

18-1=

12-0=

14-14=

6+7=

8+5=

17-0=

16-0=

10+5=

11-2=

17-13=

10+1=

4+16=

19-10=

16-7=

17-15=

3+14=

8+3=

11-0=

7+4=

1+15=

16+0=

5+10=

5+15=

10+7=

15+4=

12-12=

16-8=

11-2=

11-1=

17-0=

14-1=

14-12=

3+10=

15-11=

17-8=

15+1=

11-7=

5+12=

10+6=

18-1=

0+17=

20-17=

6+10=

0+20=

19-18=

18-12=

16-10=

19-6=

11-10=

18-3=

11-2=

16-15=

7+13=

18-18=

12-8=

11-4=

16-14=

6+5=

9+7=

15+0=

10+7=

6+13=

16-3=

13-10=

19-12=

17-10=

15-7=

5+12=

7+4=

12-7=

20-1=

20-19=

15+5=

14-13=

16-3=

18-0=

19-0=

19-15=

4+13=

16-0=

15-1=

8+6=

18+1=

12+8=

11-1=

11+6=

9+9=

19-14=

15-9=

.

.

.

17-9=

18-9=

12+2=

18-11=

18-6=

15-10=

14-2=

12-4=

13-6=

19-1=

16-5=

11-1=

8+8=

10-0=

16-8=

5+9=

11-7=

18-11=

15-9=

6+5=

3+15=

20-0=

16+1=

11+3=

1+19=

5+7=

20-18=

8+3=

16-7=

8+10=

17-6=

16-0=

0+12=

17-3=

17-17=

11-1=

7+11=

19-11=

20-2=

13-0=

15-11=

20-1=

13-0=

10+6=

3+8=

12-8=

13-3=

1+19=

16+0=

18-18=

2+15=

11+3=

5+8=

19-8=

20-12=

17-0=

13-11=

20-7=

18-1=

13+1=

7+5=

9+4=

18-12=

16-6=

8+5=

6+7=

19-18=

17-10=

19-0=

20-4=

4+10=

17-13=

15+0=

19-7=

19-18=

8+11=

11+9=

13-4=

0+19=

14-6=

15-12=

14-6=

16-12=

18-10=

16-11=

11-2=

14-1=

14-6=

20-3=

19-11=

2+13=

15-3=

15-14=

20-1=

17-7=

2+11=

18-11=

18-11=

7+5=

17+2=

.

.

.

15-6=

15-9=

19-7=

19-0=

20-3=

17-5=

20-14=

3+17=

2+18=

8+4=

15-12=

20-20=

17-2=

17-8=

15-11=

5+12=

17-5=

19-18=

20-3=

19-5=

17-12=

11-5=

1+12=

17-4=

4+11=

12-0=

14-2=

16-8=

14-4=

10+10=

9+8=

11+2=

4+14=

12+2=

18-12=

3+17=

15-3=

11-4=

13-11=

16+3=

20-15=

12-8=

13+2=

20-8=

19-4=

8+4=

5+15=

17+0=

13-9=

13+1=

20-13=

18-3=

18-18=

15-3=

19-4=

15+5=

15+2=

1+10=

15-8=

11-0=

3+10=

7+10=

13-7=

14-7=

16-12=

14-10=

17-4=

0+12=

15+4=

13-0=

19-14=

17+0=

19-14=

12-12=

5+8=

19-12=

14-6=

5+6=

15+2=

4+11=

19-19=

0+11=

16-12=

16-5=

18-3=

14-8=

15-10=

14-12=

20-2=

15-6=

17-9=

2+11=

2+18=

19-5=

15-13=

11+1=

13-5=

14-6=

15-9=

19-1=

.

.

.

16-3=

17-8=

13+4=

5+10=

6+11=

17-3=

15-2=

14+0=

13-0=

12-9=

11-10=

20-7=

20-16=

5+7=

20-12=

19-8=

18+0=

20-5=

12-2=

19-1=

18+2=

1+19=

19-1=

19-9=

5+6=

2+12=

11-0=

18-3=

14-6=

5+15=

0+18=

12-2=

14-9=

10+6=

7+8=

2+14=

12-0=

12-12=

9+11=

16-4=

12+1=

18-15=

12-12=

20-18=

14-8=

19-15=

18-5=

14-12=

17-3=

18-12=

14-0=

16+2=

19-1=

19-7=

12-5=

20-5=

17-4=

17-17=

15-3=

17-15=

14+6=

20-13=

3+17=

20-20=

20-7=

17-11=

18-2=

19-7=

12-0=

16-11=

17-8=

1+11=

6+7=

11+8=

1+15=

11-4=

14+6=

10+9=

20-17=

16-7=

19-1=

19-2=

11+0=

18-18=

19-15=

13-7=

20-12=

11-2=

11+4=

12+2=

13+0=

15-5=

5+9=

2+16=

9+7=

13-3=

16-7=

4+10=

19-11=

17-9=

.

.

.

13-8=

14-13=

17-17=

14-0=

18-12=

5+6=

13-1=

16-14=

20-20=

12-5=

9+2=

14+4=

12+2=

0+15=

13-3=

16-1=

15-1=

11-0=

17-0=

6+9=

16-2=

20-10=

18-1=

18-13=

12+1=

8+7=

1+17=

14-11=

11-5=

16+1=

17-3=

19-1=

20-4=

19-7=

20-4=

18-3=

13+3=

14-5=

14+2=

19-5=

12+6=

6+14=

16-14=

7+9=

11-10=

16-0=

20-4=

15-4=

16-12=

20-19=

20-6=

18+0=

20-16=

17+3=

13-8=

1+12=

11-7=

5+6=

19-4=

19-2=

16-7=

16-0=

20-14=

17-10=

19-2=

15-1=

20-17=

19-16=

6+14=

20-15=

18-16=

12-4=

20-10=

11-2=

13-3=

5+8=

13-5=

11-1=

17-6=

9+3=

19-9=

19-7=

19-10=

16-12=

14-12=

18-0=

8+11=

7+4=

20-14=

12+1=

13-0=

13+2=

15+1=

14-2=

17-15=

18+1=

20-17=

19-9=

4+7=

7+9=

.

.

.

11-10=

10+3=

16-13=

13-13=

18-13=

20-1=

3+9=

17+3=

12-3=

11-4=

2+11=

3+9=

14+4=

20-9=

16-12=

16-4=

15-0=

13-7=

16-5=

12-4=

12-4=

20-18=

19-2=

13+7=

20-2=

19-15=

2+12=

18-12=

18-13=

17-5=

5+12=

3+9=

9+11=

18-11=

20-8=

15-2=

20-16=

13-9=

19-13=

3+16=

20-14=

17-1=

6+14=

19-1=

15-14=

20-4=

15-2=

16-13=

5+15=

18-18=

17-16=

8+9=

15-9=

0+17=

18-9=

15-3=

14-7=

13-8=

18-17=

0+15=

12+4=

18-16=

18-4=

16-7=

4+8=

10+0=

11-9=

11-11=

19-5=

10+9=

6+9=

6+8=

2+18=

16-1=

5+13=

19-17=

12-5=

19-18=

5+9=

13-13=

11+9=

20-11=

3+17=

12-1=

20-10=

20-16=

15-14=

14+4=

16-13=

14-4=

18-11=

17-12=

18-1=

6+10=

15-7=

16-0=

6+8=

13-12=

9+10=

17-15=

.

.

.

8+12=

5+13=

6+12=

8+11=

18-11=

3+9=

19-17=

15-1=

16-11=

16+2=

19-0=

0+13=

2+13=

18-11=

14+2=

14+3=

17-10=

17-14=

13-13=

8+8=

12-12=

14+6=

11+9=

15-12=

13+5=

18-2=

16-10=

18-2=

13-1=

16-12=

14+1=

11-7=

12-12=

15+5=

20-13=

0+18=

12-1=

5+7=

18-8=

4+9=

19-12=

20-4=

17-10=

19-16=

20-16=

5+9=

15-8=

4+11=

12-0=

17-11=

13+7=

20-18=

11-8=

15-6=

19-17=

15-9=

7+4=

3+16=

10+7=

16-9=

13-1=

20-6=

12-1=

19+0=

13+7=

11-9=

12+0=

15-6=

13-9=

13-11=

19-5=

14-7=

9+11=

18-15=

13-0=

20-18=

13-11=

19-6=

19-16=

13+5=

6+12=

10+4=

18-3=

7+12=

15-13=

14-11=

1+11=

11-1=

18+1=

18-10=

16-6=

0+20=

13-6=

16-11=

20-11=

14-12=

11-3=

1+18=

11-1=

9+8=

.

.

.

2+18=

4+16=

14+2=

16-13=

14-1=

18-6=

17-12=

10+4=

16-7=

16-12=

12+4=

15-2=

6+10=

13-3=

17-2=

6+11=

12+3=

13-4=

14-5=

16+3=

17-4=

11-8=

2+11=

11-1=

12+0=

16-11=

16-7=

11-4=

19-17=

18-11=

20-17=

17-12=

11-10=

11-11=

8+9=

15-8=

16-7=

20+0=

17-13=

2+9=

19-2=

18+0=

14-3=

17-10=

12-12=

11+2=

1+15=

12+1=

20+0=

16-13=

15-9=

17-3=

19-5=

12+4=

8+6=

12+5=

18-4=

18-15=

19-4=

8+8=

2+12=

17-1=

2+18=

13-7=

15-7=

14+5=

10+6=

9+11=

17-2=

18-10=

18-10=

10+5=

14-4=

19+0=

14-9=

3+10=

9+3=

15-11=

1+18=

9+6=

14-7=

14+3=

18-15=

1+15=

6+14=

13-3=

15-1=

8+9=

15+3=

13-4=

19-5=

17-1=

13+4=

15-3=

16-5=

17-17=

20-14=

13-1=

17-10=

8+5=

.

.

.

7+12=

16-15=

18-4=

17-5=

19-3=

11+6=

18-1=

6+11=

17-14=

12+1=

6+13=

15-9=

11-0=

8+3=

13-13=

11+3=

20-11=

10+8=

12-7=

13+1=

14-8=

20-20=

5+9=

11-6=

13-11=

3+13=

13-11=

18-11=

15-1=

14-2=

13-3=

11-5=

19-2=

16-7=

11-1=

15+4=

4+8=

19-15=

16-3=

8+7=

13+7=

20-2=

12+7=

19-14=

17-12=

15+2=

12-6=

15-3=

19-7=

18-10=

14-3=

15-1=

19-15=

14-8=

19-13=

12-4=

19-6=

12-2=

15-2=

16-14=

13-1=

2+18=

15+4=

14-3=

3+16=

7+7=

15-14=

15-10=

3+13=

7+9=

7+4=

20-16=

16-6=

8+3=

3+13=

0+11=

20-12=

18-13=

15-11=

12-6=

14-5=

17-14=

17+0=

16-13=

19-16=

12-6=

17+1=

10+4=

13-5=

20-18=

17+3=

17-6=

8+8=

14-12=

10+2=

20-14=

19-11=

20-17=

13+5=

19-19=

.

.

.

2+16=

6+5=

13-8=

16-11=

11-11=

11+2=

20-9=

16-10=

16-7=

1+14=

11-7=

20-11=

13-10=

18-7=

11+9=

4+10=

0+13=

12-7=

8+12=

10+10=

13+1=

11-0=

20-4=

19-14=

17-12=

20-2=

14+0=

18-5=

14-4=

17-12=

3+15=

4+10=

18-12=

18-8=

16-11=

17-0=

20-20=

11+5=

12+3=

19-11=

2+18=

18-7=

20-9=

20-2=

11+5=

14+6=

17+0=

11+0=

19-2=

19-8=

15-5=

4+12=

2+12=

19-14=

9+10=

20-10=

12-10=

19-14=

10+4=

5+11=

18-0=

14-7=

19-2=

1+13=

13-5=

12-7=

14+2=

3+10=

15-15=

14+5=

4+14=

20-20=

11-8=

13-2=

18-13=

18-7=

11-6=

15-2=

3+10=

14-13=

14-3=

20-16=

5+14=

11-10=

2+18=

0+14=

16-4=

14-4=

16-11=

20-3=

15-6=

14-0=

18-0=

15-14=

13-0=

6+9=

16-14=

5+12=

15+5=

16+2=

.

.

.

20-8=

14-12=

14-6=

2+13=

18-15=

17-17=

6+5=

14-6=

13+6=

12-8=

2+14=

5+10=

1+18=

11+2=

14-5=

20-0=

18+1=

2+15=

20-5=

12-4=

18-7=

16-5=

18-9=

12-2=

11-0=

2+9=

15+3=

17-13=

12-7=

19-10=

15-0=

7+13=

11+8=

16+2=

13-7=

6+9=

2+17=

18-4=

16-11=

14-10=

17-13=

12-10=

17-14=

19-14=

19-9=

14-0=

20-16=

9+4=

17-4=

12-2=

13-10=

17-14=

18-17=

2+17=

13-6=

14-6=

12-9=

11+8=

19-16=

11+2=

17-1=

18-9=

14-8=

3+16=

8+11=

15-7=

14-6=

17-7=

12+7=

10-0=

14-13=

20-19=

13+1=

18-2=

10+1=

14-0=

19-7=

16-15=

20-0=

6+8=

11+7=

20-11=

3+10=

18-17=

16-0=

12-12=

13-2=

12-10=

16-1=

16-13=

19-17=

4+14=

5+14=

15-7=

19+0=

16-9=

18-11=

1+17=

19-5=

8+5=

.

.

.

17+3=

18-1=

10+1=

17-10=

9+9=

13+2=

20-11=

0+14=

3+12=

2+11=

16+0=

12+1=

19-7=

17-1=

16-9=

17-3=

16-7=

16+2=

14-12=

12+7=

20-20=

14+3=

17-12=

17-8=

3+17=

14-8=

20-9=

17-8=

13+3=

5+6=

12-0=

20-11=

17+2=

19-4=

19-15=

12-2=

14-11=

8+8=

14-1=

20-12=

8+3=

16-4=

17-14=

16-14=

2+10=

11-7=

19-7=

11-9=

13-12=

20-16=

19-19=

8+10=

18-5=

20-0=

14-14=

13+0=

5+8=

1+13=

11-6=

2+10=

5+10=

18-2=

11+2=

11-8=

16-7=

14-0=

17-16=

17-3=

11-5=

18-5=

17-8=

0+17=

20-1=

18-4=

20-18=

20-20=

20-13=

18-6=

17-4=

20-1=

19+0=

16-10=

11-3=

20-18=

4+11=

15-2=

18-5=

11+8=

17-13=

15+1=

14-6=

3+11=

11-10=

13-0=

12+6=

6+6=

14-4=

6+14=

14-11=

13-6=

.

.

.

18-0=

16-13=

8+4=

20-7=

7+9=

15-5=

16-1=

15-10=

11-0=

16-2=

18-16=

17-12=

1+13=

4+14=

17-17=

9+5=

16-4=

13-3=

20-14=

14+2=

12+1=

15-5=

7+12=

16-0=

18-8=

19-7=

4+8=

19-18=

20-7=

20-8=

1+10=

12-5=

8+3=

8+3=

17-16=

9+2=

13-7=

18-6=

6+8=

11-7=

16-10=

12-6=

17-5=

5+12=

13-0=

14+0=

2+14=

7+12=

18-9=

20-5=

2+16=

1+15=

18-5=

13-3=

7+13=

18-12=

16-13=

11-4=

0+13=

13-7=

20-19=

15-11=

15-5=

16-1=

10+6=

10+9=

13-3=

13-11=

19-3=

0+20=

7+10=

19-15=

17+1=

13-11=

11-8=

20-19=

19-10=

20-6=

17-0=

12-11=

18-11=

20-4=

20-20=

12-4=

17-9=

18-3=

16-7=

18-9=

15-15=

19-4=

20-2=

11-8=

11-1=

19-0=

18-4=

17-10=

16-4=

3+14=

13-0=

13-5=

.

.

.

11-3