Răspuns :
[tex]
Fie a,b,c numerele
(a,b,c ) i.p ( 2,3,6 ) =) 2a = 3b = 6c = k
a = k/2
b = k/3
c = k/6
a + b + c = k/2 + k/3 + k/6 = 90
3k/6 + 2k/6 + k/6 = 6 * 90
3k/6 + 2k/6 + k/6 = 540
k = 540 : 6
k = 90
Inlocuim in formulele de mai sus
=) a = k/2 = 90/2 = 45
b = k/3 = 90/3 = 30
c = k/6 = 90/6 = 15 [/tex]