а 3) 7,29×1.2+2.7:5.6 8.748+0,(4821428) 9.2301428
----------------------------- = -------------------------- = ----------------
2/3-2/3×0,6 0,6 0,6
а 3) 7,29×1.2+2.7:5.6 8.748+0,(4821428) 9.2301428
----------------------------- = -------------------------- = ----------------
2/3-2/3×0,6 0,6 0,6