Vrijeme: 22:26
Golubovi | Pigeons #1
U ladici imamo
različitih pari čarapa. Nažalost, sve su rasparene. Koliko čarapa moramo nasumce izvući iz ladice kako bismo bili sigurni da imamo barem jedan dobar par čarapa?
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There are
different pairs of socks in a drawer. Unfortunately, they are all mismatched. Find the number of socks we must randomly draw from the drawer to be sure we have at least one good pair of socks.
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