August 2018 3 8 Report
Wykonaj redukcję wyrazów podobnych i oblicz wartości liczbowe wyrażeń:

a) 2[4x - (4y + 3x)] - 4[3x - (2x - 3y)] =


dla x = -3,5 i y= 5/6


b) a - 2(b - 1) + 2[ -5(a+1) - 0,5a] + 2b =


dla a = 4/5 i b = 1/4


c) 3x - 2(-5 + y) - 5[-3x + 2(y - 1)] - 10(5y - 4) =



dla x = -1/3 i y = -4
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