September 2018 1 17 Report
1.ROZWIAZ ROWNANIA: a. 2(3x-1)+0,5=x b. x+2/x+1 = x-3/x-2

2.OBLICZ KORZYSTAJAC ZE WZOROW SKROCONEGO MNOZENIA>ZAPISZ OBLICZENIA. a. 998*1002. b. 997²

3.SUMA POTROJONEJ LICZBY I JEJ 20% wynosi p. JAKA TO LICZBA?

4. ROZWIAZ ROWNANIE: -x²+2√2x-2=0
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