Question

[0,91(6) - 0,2(7)] / 23/12 + 0,(6)

Answer 1

[(916-91)/900-(27-2)/90]•12/23+ 6/9=
(825/900-25/90)•12/23+2/3=
(165/180-5/18)•12/23+2/3=
(165/180-50/180)•12/23+2/3=
(165-50)/180 • 12/23+2/3=
115/180 • 12/23 + 2/3=
5/15 • 1/1 +2/3=
1/3+2/3=
3/3=
1