18-(45,291-40,17+4,0603)-(57,49-54,139)=5,4677
1)45,291-40,17+4,0603=9,1813
2)57,49-54,139=3,351
3)18-9,1813-3,351=5,4677
18-(45,291-40,17+4,0603)-(57,49-54,139)=5,4677
1)45,291-40,17+4,0603=9,1813
2)57,49-54,139=3,351
3)18-9,1813-3,351=5,4677