36:1 2/7-19,8+2 5/6 Срочно
36:(9/7) -19,8 + 17/6 = 4·7 - 19,8 +17/6= = 8,2 + 17/6= (82·6+17·10)/60= =662/60 = 11+ 2/60 = 11'1/30