Răspuns :
[(x+17,34)·3,5]+11,56=249,56
(x+17,34)·3,5=249,56-11,56
(x+17,34)·3,5=238
x+17,34=238:3,5
x+17,34=68
x=68-17,34
x=50,66
(x+17,34)·3,5=249,56-11,56
(x+17,34)·3,5=238
x+17,34=238:3,5
x+17,34=68
x=68-17,34
x=50,66
a+17,34=b
bx3,5=c
c+11,56=249,56
c=249,56-11,56
c=238
bx3,5=238
b=238:3,5
b=69
a+17,34=68
a=68-17,34
a=50,66
bx3,5=c
c+11,56=249,56
c=249,56-11,56
c=238
bx3,5=238
b=238:3,5
b=69
a+17,34=68
a=68-17,34
a=50,66