September 2018 2 36 Report

Podane wyrażenia zapisz w jak najprostrzej postaci.

a) a-[a-(1-a)]

b) -x-[-(1-x)-(x-1)

c)x-[y-(x-y)-x-(y-x)]

d)1-a-[1-(a-1)-2a-(1-3a)]-a-1

Proszę o pomoc ; ))) z góry dziękuje ; )


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