MathDB
Problems
Contests
International Contests
May Olympiad
2019 May Olympiad
1
two-digit square
two-digit square
Source: May Olympiad 2019 L1 P1
March 10, 2021
number theory
Problem Statement
Find all the two-digit numbers
a
b
‾
\overline{ab}
ab
that squared give a result where the last two digits are
a
b
‾
\overline{ab}
ab
.
Back to Problems
View on AoPS