gimana? hehe bingung nih

Ket = a = angka
g = gambar

{(a1)(a2)(a3)(a4)(a5)(a6)
(g1)(g2)(g3)(g4)(g5)(g6)}

Kejadian (a5),(a6) 2
_______ = _______ = __
Banyak percobaan 12 12

1/12 DIBAGI 2 = B. 1/6