2,0(6)=186/90
0,(27)=27/99
0,4(09)= 405/990
х*90/186=27/99+405/990= (270+405)/990=675/990
90х=(186*675)/990=12555/99
х=12555/(99*90)=1,4(09)
2,0(6)=186/90
0,(27)=27/99
0,4(09)= 405/990
х*90/186=27/99+405/990= (270+405)/990=675/990
90х=(186*675)/990=12555/99
х=12555/(99*90)=1,4(09)