September 2018 1 21 Report

wyznacz iloczyn korzystając ze wzorów skróconego mnożenia

a (x/2÷1)

b (4x- 5/2)

c (3x²-1)²

d (5+2x³)²

e (√2+3)(√2-3)

f (√6/2 x - 1)(√6/2 x +1)


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