= 5.4.3!/3!2!
= 5.4/2
= 5.2
= 10
Bola biru 4 hendak diambil 1 = ⁴C₁
⁴C₁ = 4!/(4-1)!1!
= 4.3!/3!1!
= 4/1
= 4
Seluruh bola ada 12 hendak diambil 3 = ¹²C₃
= 5.4.3!/3!2!
= 5.4/2
= 5.2
= 10
Bola biru 4 hendak diambil 1 = ⁴C₁
⁴C₁ = 4!/(4-1)!1!
= 4.3!/3!1!
= 4/1
= 4
Seluruh bola ada 12 hendak diambil 3 = ¹²C₃
Editor: Mariyani Soetrisno
Sumber: Buku.kemdikbud.go.id