October 2018 2 15 Report

Oblicz wyrażenia algebraiczne:

a) 2x²-y+x3 dla x=-2, y=¼

b) -x³-y²-5z+10 dla x=-2, y=-1/5,z= 2/5

c)(x+2/x)*(-2/x-x²) dla x= -1

d) (-2mn+1/5 KL)² dla m= -¼, n=8,k=-2,l=10


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