Răspuns :
a+b+c=140mm
a+b=79mm
b+c=84mm
a=140mm-84mm
a=56mm
b=79mm-56mm
b=23mm
c=84mm-23mm
c=61mm
a+b=79mm
b+c=84mm
a=140mm-84mm
a=56mm
b=79mm-56mm
b=23mm
c=84mm-23mm
c=61mm