August 2018 2 9 Report
Wykonaj redukcję wyrazów podobnych i oblicz wartości liczbowe wyrażeń

2[4x- (4y = 3x0] - 4[3x - (2x-3y)]
dla x = 3,5 i y =⅚



a - 2(b-1) + 2 [ -5(a+1) - 0,5a] + 2b
dla a =⅘ i b =⅓ i y = -4

c) 3x - 2 (-5 + y) - 5 { -3x + 2 (y=1)] - 10 (5y-4) +
dla x = -⅛

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