2017 9+814 6+45+5 8-14+8
10+1=
11+1=
2012 18-109
8+714 9+88+9
5-= +4= 3-=
10-3= 3+4= 16-5+3=
18-6= 12+3= 18-5-4=
9+7= 11+6= 5+7+6=