October 2018 1 24 Report

Z tematu - Wzory skróconego mnożenia

Oblicz:

a) (√10 + √2)²

b) (√21 + √3)²

c) (2√2- √6)²

Oblicz:

a) (√21 - √20) (√21 + √20)

b) √√13 + 2 razy √√13 -2

c) √5√2+7 razy √5√2-7


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