$33 \cdot 51$ fraction $\frac{1}{3}$ value
(A) is equal to 0.33333333.
(B) is less than 0.33333333 by $\frac{1}{3 \cdot 10^{8}}$.
(C) is less than 0.33333333 by $\frac{1}{3 \cdot 10^{9}}$.
(D) is greater than 0.33333333 by $\frac{1}{3 \cdot 10^{8}}$.
(E) is greater than 0.33333333 by $\frac{1}{3 \cdot 10^{9}}$.
(5th American High School Mathematics Examination, 1954)
$$
\text { [Solution] From } \begin{aligned}
& \frac{1}{3}-0.33333333 \\
= & 0.00000000333 \cdots \cdots \\
= & 10^{-8} \cdot 0.333 \cdots \cdots \\
= & \frac{1}{3 \cdot 10^{8}} .
\end{aligned}
$$

Therefore, the correct choice is $(D)$.
$$