Răspuns :
a+b+c=88
b+c=84
a=bx2
a+84=88
a=88-84
a=4
b=4:2
b=2
4+2+c=88
6+c=88
c=88-6
c=82
proba: 4+2+82=6+82=88
2+82=84
b+c=84
a=bx2
a+84=88
a=88-84
a=4
b=4:2
b=2
4+2+c=88
6+c=88
c=88-6
c=82
proba: 4+2+82=6+82=88
2+82=84
a+b+c=88
b+c=84
84+a=88
a=88-84
a=4
b=a:2 b=4:2=2 4+2+c=88 6+c=88
c=88-6
c=82
b+c=84
84+a=88
a=88-84
a=4
b=a:2 b=4:2=2 4+2+c=88 6+c=88
c=88-6
c=82