8+(     )=20

1+(     )=15

(     )+3=15

1+(     )=13

(     )+1=20

0+(     )=16

(     )+1=19

7+(     )=13

(     )+10=16

19+(     )=19

(     )+17=19

9+(     )=17

4+(     )=16

10+(     )=13

7+(     )=17

(     )+3=15

18+(     )=18

(     )+19=19

(     )+0=17

(     )+12=15

8+(     )=19

(     )+3=15

0+(     )=11

(     )+1=20

(     )+6=17

(     )+10=17

6+(     )=19

(     )+6=17

8+(     )=18

(     )+17=17

(     )+1=20

5+(     )=12

11+(     )=19

(     )+2=19

(     )+8=15

(     )+16=19

(     )+3=14

8+(     )=17

16+(     )=19

(     )+0=19

11+(     )=15

(     )+10=11

(     )+12=20

(     )+3=19

(     )+20=20

(     )+11=14

17+(     )=17

17+(     )=20

(     )+13=18

4+(     )=12