September 2018 1 39 Report

Wartość wyrażenia (a-1)(a^2+a+1) dla a=3/4 jest równa

a)-37/64

b)1/4

c) - 1/4

d)1 27/64

Para liczb (x,y) która spelnia rownanie x^2-2xy+y^2 =25 to

a)(-1,-1)

b) (3,2)

c) (-3,-2)

d) (0,5)


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