(11,28+3,4:0,85*1,55):4,6-0,8 =
(11.28+4*1.55):4.6-0.8 =
(11.28+6.2):4.6-0.8=
17.48:4.6-0.8=
3.8-0.8 = 3
(11,28+3,4:0,85*1,55):4,6-0,8 =
(11.28+4*1.55):4.6-0.8 =
(11.28+6.2):4.6-0.8=
17.48:4.6-0.8=
3.8-0.8 = 3