Question

determinati a,b,c stiind ca: a supra 2=b dupra 5=c supra 6 si a*b+b*c+c*a=208.Dau coroana!

Answer 1

Răspuns:

a/2 = b/5 = c/6 = k

a=2k

b=5k

c=6k

10k^2 + 30k^2 + 12k^2 = 208

52k^2 = 208 =>k^2 = 4 =>k=2

a=4

b=10

c=12