October 2018 2 37 Report

podane wyrazenia zapisz w postaci sumy algebraicznej

a) (x-1)(x+1)=

b) (1,2ab+1,5c)(1,2ab-1,5c)=

c) (2d kwadtat -1/2)(2d kwadrat+1/2)

tylko prosze mi to dobrze rozwiązać


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