40+28-50= 50+14-8= 56-7-20=
24+(26+4)= 45-(38-30)= 30+(26-7)=
96-60=
37+50=
80-8 =
25+9 =
63-6 =
79-30=
48+2=
20+45=
74-8=
75+7=
82-4=
42+33=
36+40+2=
59-9-20=
75-(10+50)=
63-30+5=
56+5-20=
48+(18-9)=