84-27+16=
84-27+16=73
28+36-45=
28+36-45=19
4+27-16=
4+27-16=15
84-25+16=
84-25+16=75
58-26+25=
58-26+25=57
99-98+39=
99-98+39=40
29+28-45=
29+28-45=12
61-28+26=
61-28+26=59