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= 5 4/9 - 7/6 : 11/3 * 5/4 * 1/2 =
= 5 4/9 - 7/6 * 3/11 * 5/8 =
= 5 4/9 - 7/22 * 5/8 = 5 4/9 - 35/176 =
teraz najtrudniejsze
doprowadzic do wspolnego mianownika
= 5 704/1584 - 315/1584 = 5 389/1584
wielki licznik i mianownik!