September 2018 1 14 Report

wzory skroconego mnozenia

1. ( x + 5 ) do kwadratu=

2. ( x- 2) ( x+2 )=

3.(1+3x) do kwadratu=

4. ( pierw. z 3 - 2 pierw. z 7) do kwadratu =

usun niewymiernosc z mianownika :

5. 3

--------

pierw. z 5

6

3

----------

1+ pierw. z 2

7. 4x do kwadratu - (2x- 1 ) do kwadratu = 8


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