1 9/26*(13,3-9 5/6):(-1/2)+14

1) 13,3 - 9 5/6 = 13 3/10 - 9 5/6 = 13 9/30 - 9 25/30 = 3 14/30 = 3 7/15 2) 1 9/26 * 3 7/15 = 35/26 * 52/15 = 14/3 3) 14/3 : (-1/2) = -28/3 4) -9 1/3 + 14 = 4 2/3