(5,1*0,15*6,4)/(1,6*0,17*4,5)=(30*0,15*6,4)/(1,6*4,5)=(4,5*6,4)/(1,6*4,5)=6,4/1,6=4
(0,15*1/3*3,6*2,1)/(5/6*0,14*5,4*0,3)=(0,15*3,6*2,1)/(5*0,07*5,4*0,3)=(0,03*3,6*2,1)/(0,07*5,4*0,3)=(0,1*3,6*2,1)/(0,07*5,4)=(3,6*2,1)/(0,7*5,4)=3,6*3/5,4=0,4*3/0,6=0,4/0,2=2