Question 301638
{{{6!/3!=(6*5*4*3*2*1)/(3*2*1)}}}
{{{6!/3!=(6*5*4*cross( 3)*cross( 2)*cross( 1))/(cross( 3)*cross( 2)*cross( 1))}}}

{{{6!/3!=6*5*4}}}
{{{6!/3!=120}}}