Question 192
Check that for all positive entries $n$, the decimal expression of
$$
\frac{1}{n}+\frac{1}{n+1}+\frac{1}{n+2}
$$
It's a mixed periodical.
$$
\frac{1}{n}+\frac{1}{n+1}+\frac{1}{n+2}
$$
It's a mixed periodical.
MathNet 2005 — Part 02 Question 192
Math Olympiad Vault · MathNet 2005 — Part 02