Răspuns :
axb=60
(a+50)xb=160
a=60/b
(60/b+50)xb=160
60+50b=160b
60=110b
b=110/60=1,83
a=60/1,83=32,78
(a+50)xb=160
a=60/b
(60/b+50)xb=160
60+50b=160b
60=110b
b=110/60=1,83
a=60/1,83=32,78