14+(     )=19

(     )-4=14

11-(     )=10

2+(     )=16

12+(     )=19

(     )+1=13

(     )-9=9

18-(     )=6

(     )+12=16

(     )+13=18

11-(     )=3

14+(     )=20

(     )-5=8

(     )-18=2

5+(     )=18

(     )+11=14

19+(     )=20

(     )-2=11

(     )-18=1

(     )+3=13

(     )-9=7

(     )-9=3

17-(     )=4

(     )+3=20

8+(     )=18

19-(     )=11

15+(     )=15

19-(     )=13

18-(     )=15

2+(     )=19

(     )+13=14

(     )+4=19

(     )-9=2

20-(     )=13

19-(     )=3

(     )+4=11

(     )-13=1

11+(     )=20

1+(     )=19

(     )+14=14

17-(     )=16

17+(     )=17

(     )+4=12

18-(     )=15

(     )-8=5

1+(     )=15

9+(     )=15

10+(     )=19

(     )+11=19

(     )-8=8