September 2018 1 8 Report

Nie jestem pewien i prosze o szybkie rozwiazanie:

zredukuj wyrazy podobne:

A)

0,75x(x do kwadrtu)-2xy-0,5x(x do kwadratu)-3yx

B)

5ab-4ab(a i b do kwadratu)-8ab(b do kwadratu)+3ab-ab(b do kwadratu)-4ab(a i b do kwadratu)

C)

2a(x+5y)+3x(a-5y)


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