August 2018 2 16 Report
Prosze o obliczenie -tam gdzie jest podzielic powinna byc kreska ulamkowa i na dole ta liczba ale nie wiedzialam jak to zrobic a tak tez dobrze raczej.


(7²-1):7² * (8²-1):8² * (9²-1):9² * (10²-1):10²


PILNE!
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