28-( )=4
35-( )=3
27-( )=24
28-( )=2
44-( )=6
( )-25=16
( )-14=7
32-( )=10
34-( )=3
( )-12=38
45-( )=32
32-( )=20
( )-15=27
( )-18=29
44-( )=15
41-( )=9
40-( )=14
( )-20=4
( )-5=20
( )-15=33
( )-2=22
47-( )=33
( )-16=11
26-( )=23
46-( )=7
24-( )=1
( )-16=5
( )-20=12
( )-5=16
43-( )=1
46-( )=13
29-( )=5
31-( )=23
( )-9=16
( )-17=11
( )-26=1
50-( )=4
27-( )=9
36-( )=5
( )-10=24
29-( )=29
31-( )=26
27-( )=12
( )-7=20
23-( )=22
46-( )=11
( )-20=5
( )-7=28
48-( )=22
( )-12=9