Răspunsuri

Cel mai inteligent răspuns!
2014-11-10T19:02:59+02:00
(a+b+c+d)*2=440
b=a+2
c=a+4
d=a+6

4a+12=220
4a=208
a= 52
b=54
c=56
d=58
2 5 2
2014-11-10T19:25:51+02:00
(a+b+c+d)*2=440b=a+2c=a+4d=a+6
4a+12=2204a=208a= 52b=54c=56d=58