IYNT 2021, Задачи на турнира — Задача 5. Lake water
Problems for the 9th IYNT 2021
Епиграф
Nature cannot be fooled.
Richard Feynman
Main Problems for Science Fight 1
Main Problems for Science Fight 1: problems 1–6.
Main Problems for Science Fight 2
Main Problems for Science Fight 2: problems 7–12.
Problems Invent Yourself for Science Fight 3
Problems Invent Yourself for Science Fight 3: problems 13–17.
Условие
A drop of water from a natural pond may contain bacteria, archaea, algae, fungi, protozoa, and other organisms. Perform observations to identify as many species of living organisms as possible. What are the chances that another drop contains a different selection of species?
Решение
Внимание: Непълно решение
Това е открита изследователска задача — официални решения не се публикуват.
Authors and release
The problems are authored by Nikita Chernikov, Alena Kastenka, Dmitri Lissatchenko, Ilya Martchenko, Artem Sukhov, and Evgeny Yunosov. Selected, prepared, and edited by Ilya Martchenko and Evgeny Yunosov. This official set of problems for the 9th IYNT 2021 is approved by General Council of the IYNT and can be used only at the events endorsed by the General Council of the IYNT.
Released in Minsk on August 18, 2020.
Оригинал в Архива: IYNT Problems 2021.pdf