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Priklady z prijmacek na magistra [relace]

asked Jun 16 '15

vilestra gravatar image

updated Jun 20 '15

Miro Hrončok gravatar image

Nemuzu prijit na to, jak se to pocita (a google moc nepomaha) Vite, jak na to?

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Zdroj prikladu: https://www.fit-wiki.cz/%C5%A1kola/st%C3%A1tnice?#archiv_p%C5%99%C3%ADjmac%C3%ADch_test%C5%AF_na_navazuj%C3%ADc%C3%AD_magistersk%C3%A9_studium

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answered Jun 17 '15

Ondřej Máca gravatar image

U toho prvního máš 4 možnosti jak provést relaci (a,a) (a,b) (b,a) (b,b). A protože tam můžu být současně, tak to bude 2^4

U toho druhého máš 6 dvojic, tedy (3^2)-3 protože tam nemůžeš mít dvojice (a,a) (b,b) (c,c). Výsledek tedy bude 2^6

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Asked: Jun 16 '15

Seen: 439 times

Last updated: Jun 17 '15