Răspuns:
[tex]numerele a,b,c,d
2(a + b + c + d) =
b - c = a / 3
d = 4a
a+230=c+230=d-2*230=b
a+230=d-2*230
a+230=4a-2*230
3a = 460 + 23c
a = 230
d=4*230-920
c = 230
b=230+230=460
2(a+b+c+d)=2(230+460+230+920)=2*184 o = 3680[/tex]
raspuns 3680
succes!!