October 2018 2 31 Report

zad 10 Oblicz wartość liczbową wyrażenia:

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

b)-8y-4z+x-y-2z+1 dla x=-0.5 y=-1 z=2

c)9y-(7y+z)+(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)1/2abc-(4ab+2abc)+(-bc+5ab) dla a=-2 b=1/2 c=-4


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