(     )-14=20

48-(     )=15

(     )-37=10

48-(     )=26

(     )+4=34

6+(     )=49

(     )+6=40

45-(     )=32

32-(     )=1

7+(     )=31

22+(     )=49

32-(     )=6

(     )-38=2

(     )+0=49

(     )+26=33

(     )-12=15

42-(     )=33

37+(     )=38

(     )+28=44

24-(     )=23

39-(     )=11

46-(     )=0

(     )-20=3

(     )-26=23

(     )-45=0

22+(     )=22

(     )+9=47

26+(     )=26

31-(     )=8

(     )-16=18

42+(     )=43

(     )-3=45

(     )-8=28

17+(     )=48

(     )-19=3

50-(     )=2

17+(     )=26

31+(     )=43

(     )+29=35

(     )-16=13

39-(     )=21

(     )+4=37

(     )+4=41

27-(     )=20

(     )-23=2

42-(     )=23

(     )-26=20

(     )+15=48

28+(     )=32

(     )-3=19