September 2018 1 432 Report

Oblicz wartość wyrażenia algebraicznego:

a) 3ab - 5a/2b (ułamek) a=4 i b = ½

b) -5(m-n)(3+n) dla m=5 i n=-4

c) 4y-3z/z² dla y=-1 i z=-2

d) 1-2x²/2 dla x=2√2


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