16 6.4 6x0X 2 ssesx sx60x8 3 X 9.0:10): 9 + 9 : (0 : 5 + 5 X 2: 10) =

Salutare!:)
(5×10-9×5)×5+35:(2×0×9:7+9:9)=
(50-45)×5+35:(0×9:7+1)=
5×5+35:(0:7+1)=
25+35:(0+1)=
25+35:1=
25+35=
60
(3×9+0:10):9+9:(0:5+5×2:10)=
(27+0):9+9:(0+10:10)=
27:9+9:(0+1)=
3+9:1=
3+9=
12