November 2018 1 48 Report

Proszę o rozwiążnie równan kwadraotwych :)

1) xkwadrat +5=-4,5

2) ⅓xkwadrat -2x+3=0

3) -3xkwadrat+x-2=0

4) 2xkwadrat+2x-7,5=0

5) xkwadrat-x-3,75=0

6) -4xkwadrat = -16x15


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