(4 5/6-2.5)*12-27*5\9=
45 или 4.5?
(7,5-2,5)*12-13,89=60-13,89=46,11
1) 45 : 6 = 7.5 2) 7.5 - 2.5 = 5 3) 5 * 12 = 60 4) 27 * 5 = 135 5) 135 : 9 = 15 6) 60 - 15 = 45