October 2018 1 8 Report

1..Rozwiąż nierównosc.

a

9(x-2)(x+3)<(3x-2)kwadrat+5

b

0,26y-6>0,4y+1

zad 2..dany jest trojkat abc o wierzcholkach a=(4,0) b=(2,4) c=(-2,-2). wyznacz dlugosc srodkowych. pilne na zaraz..


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