September 2018 1 7 Report

Wyrażenia Algebraiczne :

Zapisz w jak najprostszej postaci:

A ) (2a-b)² -2(a-b)(2a+b)

B) 5(s+3t)(3t-s) - (s+2t)²

C) (z+0,3)² + (z+0,2)(0,2-z)


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