begin{dmath}
P (A>B cap A>B+C)=P(A>B+C)=P(A=nolinebreak 3 cap B=nolinebreak 1 cap C=nolinebreak 1)=frac{1}{3}frac{1}{3}frac{1}{3}=frac{1}{27}
end{dmath}

begin{dmath}
P (A>B cap A>B+C)=P(A>B+C)=P(A=nolinebreak3 cap B=nolinebreak 1 cap C=nolinebreak1)=frac{1}{3}frac{1}{3}frac{1}{3}=frac{1}{27}
end{dmath}

begin{dmath}
P (A>B cap A>B+C)=P(A>B+C)=P(Ahiderel{=}3 cap Bhiderel{=}cap Chiderel{=}1)=frac{1}{3}frac{1}{3}frac{1}{3}=frac{1}{27}
end{dmath}