16+(     )=27

49-(     )=14

31-(     )=28

28+(     )=50

(     )-23=2

29+(     )=35

6+(     )=45

(     )+17=38

36-(     )=19

16+(     )=44

(     )+16=32

(     )-17=24

24+(     )=26

20+(     )=24

37-(     )=14

27-(     )=10

45-(     )=2

(     )-2=33

(     )-30=18

(     )+4=46

(     )-2=19

35-(     )=31

24-(     )=14

(     )-16=18

25-(     )=13

(     )-25=10

(     )+1=40

(     )-23=13

49+(     )=50

(     )-21=5

(     )+7=40

48-(     )=41

22+(     )=23

28-(     )=15

38+(     )=43

21-(     )=8

(     )-12=19

4+(     )=30

28+(     )=30

(     )+4=21

17+(     )=40

(     )-26=15

(     )-22=7

(     )+14=47

40-(     )=32

(     )-22=11

23-(     )=12

(     )+39=40

47-(     )=9

(     )-14=22