October 2018 2 26 Report

Rozwiąż równania kwadratowe. ^2 TO JEST DO KWADRATU

a) 3x^2 -x - 4 =0

b)2x^2 +x +8=0

c) x^2 -6x-7=0

d)x^2-x + 1/4 =0

e)x^2 - 0,2x +0,01=0,99

f)3x^2 -2x +10=0


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