17-(     )=5

14-(     )=8

(     )-8=4

(     )-9=5

(     )-0=13

(     )-7=9

13-(     )=6

13-(     )=0

16-(     )=8

(     )-15=3

12-(     )=7

15-(     )=4

(     )-2=10

(     )-7=6

(     )-7=13

18-(     )=13

17-(     )=4

(     )-6=5

(     )-10=5

(     )-0=14

(     )-1=14

13-(     )=12

18-(     )=3

15-(     )=1

18-(     )=13

(     )-9=8

16-(     )=5

12-(     )=10

(     )-8=6

13-(     )=11

15-(     )=0

(     )-11=5

17-(     )=11

14-(     )=5

(     )-14=3

11-(     )=2

(     )-10=10

(     )-4=8

20-(     )=20

20-(     )=6

17-(     )=3

(     )-12=3

18-(     )=4

11-(     )=8

14-(     )=3

14-(     )=5

(     )-6=12

(     )-12=5

(     )-11=6

(     )-7=12