November 2018 1 31 Report

jezeli w grupie n osób każdy z każdym wita się przez podanie ręki to liczba uścisków dłoni wynosi 1/2n(n-1).

a)oblicz ile uścisków dłoni wymieniliby witając się w ten sposób:

czterej panowie..............................

wszyscy uczniowie twojej klasy(w mojej klasie jest 19 uczniów razem ze mną)............

b) w sejmie jest 460 posłów. ile uścisków dłoni wymieniliby posłowie gdyby każdy witał się z pozostałymi przez podanie ręki

PROSZĘ TO NA JUTRO A ZA 1 GODZ. WYJEZDZAM DAJE NAJ


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