September 2018 1 19 Report

WZORY SKRÓCONEGO MNOŻENIA
Oblicz :

a)(2x + 3y )^{2}

c)( -3a - 2b )^{2}

d) ( -2a + 3b )^{2}

e)( 2a + b ) ^{3}

wiem, że nie ma "b" ale to celowo ;)


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