-2,4-3,6*(1\frac{3}{8}:3,3-\frac{5}{9})
źródło:
-2,4-3,6*(1\frac{3}{8}:3,3-\frac{5}{9})=
=-2,4-3,6*(\frac{11*10}{8*33}-\frac{5}{9})=
=-2,4-3,6*(\frac{5}{12}-\frac{5}{9})=
=-2,4-3,7*(\frac{15}{36}-\frac{20}{36})=
=-2,4-\frac{36}{10}*(-\frac{5}{36})=
=-2,4+\frac{1}{2}=-2,4+0,5=-1,9