zadanie 6 2 x 11/18 x 6= 3 x 12/99 x 11 12 x 11/18 x 2 zadanie 7 100x 7/1000 4i1/5x15 12x2 i7/15 9 x8i 8/9 1 i5/9 x 3
zadanie 6 2 x 11/18 x 6= 3 x 12/99 x 11 12 x 11/18 x 2 zadanie 7 100x 7/1000 4i1/5x15 12x2 i7/15 9 x8i 8/9 1 i5/9 x 3