4+(     )=16

0+(     )=12

13+(     )=15

14+(     )=19

11+(     )=16

11+(     )=20

19+(     )=19

9+(     )=19

2+(     )=15

10+(     )=16

8+(     )=18

19+(     )=19

12+(     )=12

9+(     )=16

7+(     )=19

9+(     )=20

4+(     )=19

1+(     )=14

6+(     )=20

1+(     )=20

13+(     )=13

1+(     )=19

2+(     )=18

18+(     )=18

18+(     )=18

0+(     )=16

11+(     )=20

18+(     )=20

19+(     )=20

18+(     )=20

10+(     )=14

5+(     )=13

2+(     )=12

18+(     )=18

6+(     )=14

19+(     )=19

0+(     )=13

16+(     )=16

16+(     )=16

15+(     )=20

19+(     )=20

9+(     )=16

6+(     )=18

8+(     )=20

2+(     )=20

10+(     )=13

18+(     )=18

8+(     )=20

3+(     )=19

13+(     )=13