12.2.57 Number Theory
Condition: Solve the comparison system: \ [\ left \ {\ begin {array} {l} x = 3 (\ bmod 5) \\ x = 37 (\ bmod 7) \\ x = 23 (\ bmod 11) \ end {Array} \ Right. \]
A Huge Number of Interesting Olympiad Problems in Number Theory, and Its Various Section.