4-(     )+23=27

41+(     )-3=47

40+4-(     )=40

47+(     )-0=47

8-(     )+20=25

36+1-(     )=37

47+1-(     )=47

13-(     )+35=45

8-6+(     )=47

39-6+(     )=44

28+6-(     )=31

10+(     )-0=38

4+(     )-10=27

41+(     )-2=45

9+39-(     )=33

12-5+(     )=34

(     )-49+25=25

(     )-19+43=43

38+(     )-4=44

(     )+11-0=35

7-(     )+33=34

4-1+(     )=23

(     )-3+21=21

12-5+(     )=26

10-(     )+36=38

(     )+22-6=43

18-(     )+9=24

(     )+33-4=32

18+(     )-7=41

21+(     )-19=23

35-7+(     )=28

32-(     )+11=43

(     )-7+37=43

(     )+7-2=39

31+(     )-3=43

14-13+(     )=29

(     )+42-4=41

(     )+0-0=50

(     )+1-1=49

3+(     )-5=17

11+(     )-2=36

(     )+1-1=45

(     )+5-2=30

3-3+(     )=23

(     )+0-0=50

25-20+(     )=37

(     )+0-0=49

(     )-12+2=30

(     )-10+19=25

50-(     )+5=41