about
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simulator
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Archive
olymp@sochisirius.ru
RU
about
rules
simulator
Media
archive
ru
April 17 – May 30, 2025
Invitational stage
of the All-Russian Olympiad
for School Students
april 17–18
chemistry
astronomy
april 22–23
physics
april 24–25
biology
may 14–16
mathematics
may 21–23
ICT
may 29–30
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olymp@sochisirius.ru