Răspuns :
(n+17,34)*3,5+11,56=249,56
(n+17,34)*3,5=249,56 - 11,56 = 238
n+17,34 = 238:3,5=68
n = 68 - 17,34=50,66
(n+17,34)*3,5=249,56 - 11,56 = 238
n+17,34 = 238:3,5=68
n = 68 - 17,34=50,66