September 2018 1 34 Report

Oblicz wartość liczbową wyrażenia.

a) -y + 8x - z - 2x dla x = -2, y + 6, z = -3

b) -8 - 4z + x - y - 2z + 1 dla x = -0,5, y = -1, z = 2

c) 9y - ( 7y + x ) + ( 6x - 7y ) dla x = -2, y = 3

d) ( 6a - 8b - 0,7) - ( 6,9 + a - 5b) + 1,8 dla a = 0,2, b = 0,1

e) 1/2 abc - ( 4ab + 2abc) + ( -bc + 5ab ) dla a = -2, b = 1/2, c = -4

dam najlepsze ;).


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