(4 целые1/6÷3 целые1/3×0,2+5/6)×3+0,75

(4 целых 1/6 : 3 целых 1/3 * 0,2 + 5/6) * 3 + 0,75 = 4 1) 4 1/6 : 3 1/3 = 25/6 : 10/3 = 25/6 * 3/10 = (5*1)/(2*2) = 5/4  2) 5/4 * 0,2 = 5/4 * 1/5 = 1/4 3) 1/4 + 5/6 = 3/12 + 10/12 = 13/12  4) 13/12 * 3 = 13/4 = 3 целых 1/4 = 3,25 5) 3,25 + 0,75 = 4