September 2018 1 69 Report
Zad.1 Wykonaj działania
a)4 (x+3), 8(y +4), 5 (-2a +b ), - 4 (5y -z)
b)0,2 (10x - y) * 0,4 , (-2a + 4b ) * (-1,5)
c)1/5 (10x +2,5) - 0,4 , 1/3 (3y- 2,7) , - 2/3 (3,6 a - 1,5 b)

zad.2 Zmień iloczyn na sumę.
a)3 ( x - 3) , 5(y+z) , 4 (3x - y ) , 3 (4a - c) , - 2 (7 - 4n)
b) 1/2 (4z +2 ), - 1/3 (6b - 3 ), 0,2 (x- 5y), 3 (1/3 a +1)


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