13+(     )=16

0+(     )=13

19+(     )=20

13+(     )=14

15+(     )=19

19+(     )=19

4+(     )=20

12+(     )=17

2+(     )=16

10+(     )=16

2+(     )=20

2+(     )=15

0+(     )=11

9+(     )=14

11+(     )=19

6+(     )=20

19+(     )=20

18+(     )=20

12+(     )=18

7+(     )=15

15+(     )=16

18+(     )=20

13+(     )=20

1+(     )=20

18+(     )=19

7+(     )=15

3+(     )=18

1+(     )=19

10+(     )=11

12+(     )=19

3+(     )=19

19+(     )=19

3+(     )=18

13+(     )=14

9+(     )=20

16+(     )=16

16+(     )=16

0+(     )=16

14+(     )=20

0+(     )=13

0+(     )=20

15+(     )=18

14+(     )=14

7+(     )=20

14+(     )=15

19+(     )=19

16+(     )=18

1+(     )=19

3+(     )=17

12+(     )=18