September 2018 2 15 Report

Zapisz w jak najprostszej formie:

a)3x-2xy+5x

b)7a^+2a^x-9a^+2a^

c)3ab-aszescianb-8ba

d)2x^y-3,5xy^-1,5x^y-3xy^+4xy^-4xy^

e)(5x-7y)-(3y-7x)

f)-(a-2b)-2(b-2a)

g)3(x-2y)-2(y-3x)


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