49-36-(     )=1

(     )+18+4=46

22+28+(     )=50

(     )+20+3=46

36+(     )+7=49

(     )-24-1=11

29+(     )+2=35

7+(     )+13=50

(     )-4-2=17

22+(     )+8=30

21-(     )-1=16

49-17-(     )=30

35-(     )-0=1

(     )+8+0=34

(     )+6+0=49

(     )+4+4=50

1+3+(     )=37

25-9-(     )=5

31+9+(     )=43

(     )-18-3=22

(     )-15-4=6

(     )-6-25=7

(     )+9+1=45

(     )+16+16=49

49+(     )+0=50

36-12-(     )=18

17+23+(     )=41

(     )+18+8=46

(     )-24-2=0

45-(     )-15=30

(     )-1-0=24

22-(     )-1=19

3+(     )+31=45

(     )-10-9=16

38-(     )-13=2

28-(     )-11=1

48+1+(     )=49

(     )+12+13=32

(     )-11-0=23

38-(     )-0=38

27+15+(     )=42

29-(     )-11=18

28-13-(     )=15

6+15+(     )=30

(     )-20-1=0

36-33-(     )=2

21-(     )-1=18

(     )-25-14=5

(     )-19-5=21

(     )-32-2=9