Răspunsuri

2014-03-03T13:16:51+02:00
A |_________||_________||_________|
B |_________||.............40.................|

Deci doua segmente egale=40
un segment=40:2=20

valoarea unul segment este de 20

Atunci
 a=20+20+20
a=60
b=20
1 4 1
2014-03-03T14:08:49+02:00
X-y=40. 
x=3*y
inlocuind obtinem 
3*y-y=40=> 2*y=40=>y=20.
x=3y=>x=60.