September 2018 1 17 Report

Zad.1- Jeśli a=2,5 i d=-1/2 to wartość wyrażenia 5a - 2d2(kwadrat) - 3 2(kwadrat) jest równa;

a.3

b.4

c.22

d.2,5

(prosze o wytłumaczenie ;]


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