.. =510.1 6370 40000 =4 2 510.1 =43.14 2=510.1 243.14=40584415.58 = 40584415.58=6370.59 =6370
()() ()
2 2 510,1x 227x2 2 =510,1x788 35707880 =40,57 = =6,3699 6,370