Question 127
Let $n$ be an integer. Prove that
$$
\left\lfloor\frac{n}{2}\right\rfloor+\left\lfloor\frac{n+1}{2}\right\rfloor=n .
$$
$$
\left\lfloor\frac{n}{2}\right\rfloor+\left\lfloor\frac{n+1}{2}\right\rfloor=n .
$$
MathNet 2002 — Part 02 Question 127
Math Olympiad Vault · MathNet 2002 — Part 02