-4 1/9:(0,32-2,5)= 37/9: 2.18= 37/9 * 100/218= ok. 2
-4 1/9:(0,32-2,5)= -41/9:(32/100-2 i 5/10)=41/9:(32/100-25/10)=41/9:17/90=41/9*90/17=3690/17=217 i 1/17