MathDB

6.

Part of 2024 Korea Junior Math Olympiad (First Round)

Problems(1)

algebra with gaus

Source: KJMO first round

10/26/2024
Find the number of x x which follows the following :
x−1x=[x]−[1x] x-\frac{1}{x}=[x]-[\frac{1}{x}]
(1100≤x≤100) ( \frac{1}{100} \le x \le {100} )
Gaussalgebra