Odpowiedź :
2.55 : (8.2 : 4*2) = 2,55 : (2,05 * 2) = 2,55 : 4,1 ≈ 0,62
2,55:(8,2:4*2) = 2,55:(2,05*2) = 2,55:4,1 = 255/100:41/10 = 255/100*10/41 = 255/10*1/41 = 255/410 = 51/82