Odpowiedź :
|A| = 6
*|♤| = 6 + n
P(A) = ⅓
⅓ = 6/(6+n) |•(6+n)
(6+n)•⅓ = 6
2 + ⅓n = 6
⅓n = 6 - 2
⅓n = 4 |•3
n = 4•3
n = 12
12 + 6 = 18
Odp. B
*|♤| oznacza omege
|A| = 6
*|♤| = 6 + n
P(A) = ⅓
⅓ = 6/(6+n) |•(6+n)
(6+n)•⅓ = 6
2 + ⅓n = 6
⅓n = 6 - 2
⅓n = 4 |•3
n = 4•3
n = 12
12 + 6 = 18
Odp. B
*|♤| oznacza omege