(     )+7=45

49+(     )=49

39+(     )=43

0+(     )=47

18+(     )=45

44-(     )=7

46-(     )=0

(     )+7=45

(     )-7=40

(     )-12=21

(     )-18=15

30+(     )=44

(     )-1=30

(     )+40=45

(     )-8=17

(     )+2=43

(     )-14=32

(     )+5=29

6+(     )=39

9+(     )=29

(     )-34=8

31-(     )=5

14+(     )=43

22-(     )=3

28-(     )=22

(     )-12=22

21-(     )=1

(     )+6=40

30-(     )=25

(     )+23=29

16+(     )=36

(     )-8=18

(     )-10=27

(     )-5=19

(     )+19=45

41+(     )=44

(     )-0=30

(     )+30=39

(     )-6=19

(     )-44=5

(     )+1=33

43-(     )=34

(     )+35=41

(     )-7=15

(     )-41=6

(     )-20=7

29+(     )=32

35-(     )=13

33-(     )=33

39+(     )=42