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G = {2, 4, 6} ; n(G) = 3
R = {2, 3, 5} ; n(R) = 3
G∧R = {2} ; n(G∧R) = 1
n = 108
P(G∨R) = n(G) + n(R) - n(G∧R)
n(S)
= 3 + 3 - 1
6
=
Fh = P(G∨R) × n
=
= 5 × 18
= 90 kali