October 2018 2 9 Report

nie rozumiem zapisu

A - 100 dni

B - ?

okrążenie - 2*pi*r

100 = 2*pi*r1

B = 2*pi*3r1

B= 100* 2*pi*3r1 / 2*pi*r1

B = 300 dni

prosze o pomoc co znacza te gwiazdki prosze o normalny zapis


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