June 2022 1 10 Report
Zadanie 1 Wykonaj działania i zredukuj wyrazy podobne.
a) 3(2x – 6y + 4) - 5(x +3y -2)=
b) -2a(a -3b ) + 5a(2a – b +1) =
c) –(4x – 3y + 5a) – (8x + 7y – 3a)=
d) 0,3(4z – 6k + 3s) + 0,2(5z – 8k -7s) =
e) - 4x( 3x -5y + 6) – x(5x +4y +3) =
f) –xy2(3x + 2y2 – 2xy) + 2xy(2xy + 5y3 + 4xy2 ) =

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