Răspunsuri

2014-11-03T16:42:57+02:00
12,5,3,2,0,-4,-9,-11
-9+(-13)+17+(-6)+11=
-22+17+5=
=0

14+(-8)+(-25)+12+7=
6+(-6)=
=0

43-60+12+39-21=
(-17)+12+18=
(-5)+18=
=13