Răspuns :
x+17.34 =S - de la suma
Sx3.5 =P - de la produs
P+11.56=249.56
P=249.56-11.56
P=238
Sx3.5 =238
S=238:3.5
S=68
x-17.34=68
x=68-17.34
x=50.66
Sx3.5 =P - de la produs
P+11.56=249.56
P=249.56-11.56
P=238
Sx3.5 =238
S=238:3.5
S=68
x-17.34=68
x=68-17.34
x=50.66
(n+17,34)x3,5+11,56=249,56
249,56-11,56=238
238/3,5=68
68-17,34=50,66
n=50,66
249,56-11,56=238
238/3,5=68
68-17,34=50,66
n=50,66