(     )+2=17

2+(     )=20

16+(     )=17

16+(     )=20

10+(     )=17

(     )+10=13

(     )+12=20

19+(     )=20

(     )+11=14

13+(     )=18

0+(     )=19

7+(     )=17

1+(     )=13

(     )+1=12

19+(     )=20

(     )+1=12

(     )+2=15

8+(     )=14

(     )+20=20

(     )+3=18

8+(     )=20

5+(     )=18

3+(     )=19

(     )+1=11

(     )+4=17

(     )+6=17

11+(     )=16

(     )+17=20

(     )+0=18

(     )+11=12

(     )+3=17

(     )+0=19

15+(     )=18

(     )+5=14

(     )+0=18

11+(     )=11

(     )+0=14

3+(     )=18

12+(     )=13

(     )+7=19

(     )+9=19

(     )+13=18

(     )+4=20

(     )+5=20

8+(     )=18

(     )+3=17

15+(     )=17

(     )+5=17

(     )+10=15

13+(     )=20