October 2018 2 44 Report

2/200

pani nowak ma w portfelu 3 monety po 1zl, 4 po 2zl, 5 po 5zl. prawdop. tego ze wyciagajac z portfela jedna monete, pani nowak uzyska kwote wystarczajaca jej na zaplacenie za dwa kg jablek po 90gr za kg jest rowne?

a) 1/3

b) 1/2

c) 5/12

d) 3/4

dokladne obliczenia+wyjasnienie


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