4 5/12+1 1/12÷(6 5/8-3 11/12)×4 1/6

Расставим действия:4 2 1 34 5/12 + 1 1/12 : ( 6 5/8 - 3 11/12 ) * 4 1/6 = 53/12 + 13/12 : 65/24 * 25/6 = 53/12 + 26/65 ** 25/6 = 53/12 + 65/39 = 73/12 = 6 1/12.1) 6 5/8 - 3 11/12 = 53/8 - 47/12 = 159/24 - 94/24 = 65/24;2) 1 1/12 : 65/24 = 13/12 : 65/24 = 13/12 * 24/65 = 312/780 = 26/65;3) 26/65 * 4 1/6 = 26/65 * 25/6 = 650/390 = 65/39;4) 4 5/12 + 65/39 = 53/12 + 65/39 = 689/156 + 260/156 = 949/156 = 73/12 = 6 1/12.