Leningrad mathematical Olympiads. 1961-1991. Fomin D.V., Kokhas K.P.

The book contains the tasks of the Leningrad mathematical Olympiads of 1961-1991. With answers and decisions. All tasks require ingenuity, quick wits, and sometimes many hours of thought. The introduction tells in detail about the history of the Leningrad Olympiads. For the convenience of work, a thematic rubricator is given. The book is intended for schoolchildren of the middle and high school, leaders of circles, and mathematics teachers. It will be interesting to all lovers of beautiful mathematical tasks. This collection can also be used to prepare for high -level mathematical competitions.