Ans: A
The required probability
The required probability
$\begin{array}{cl}
= & \dfrac{3+2+1}{36} \\
= & \dfrac{1}{6}
\end{array}$
Resources for HKDSE Mathematics
Resources for HKDSE Mathematics
$\begin{array}{cl}
= & \dfrac{3+2+1}{36} \\
= & \dfrac{1}{6}
\end{array}$
