October 2018 1 22 Report

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


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