7+98=
6+67=
14-8=
12-3=
9+58=
40+41=
13-9=
20+21=
12-0=
25-2=
80+10=
16-7=
78+3=
7+89=
45+40=
25+47=
25+44=
55-10=
48+40=
8+19=
93-90=
41+45=
77-6=
94-30=
99-30=
79-7=
55+30=
86-8=
60-50=
2+85=
88-10=
9+81=
76+9=
28+70=
89-50=
78+10=
83-20=
34-9=
96+2=
90-10=