October 2018 1 76 Report

przedstaw wyrażenie w postaci jak najprostszej sumy algebraicznej :

a) (4m-2n)(3m-5n)

b) (3+2b)(1-b+5c)

c) (a- pierwiastek z 2)(b+ pierwiastek z 2)

d) a-b-(b-a)(-2+a)

e) 5-(2x+1)(x-3)

f) (-2xy) do kwadratu - (1-x do kwadratu)(y do kwadratu - 1)+2xy


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