October 2018 1 39 Report

Oblicz wartości liczbowe sum(najpierw zredukuj wyrazy podobne):

d) n*+n-7+3n*-n-9-n+16 dla n= -1/2

* to do kwadratu

- 1/2 to minus jedna druga

Odpowiedż ma wyjść 1 1/2 ( jeden i jedna druga)

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