б) 5 - 1 5/6 = 5 - 1 - 5/6 = 4 1/6
в) 3 5/6 + 1.5 - 2 1/3 = 3 + 5/6 + 1.5 - 2 - 1/3 = 3 + 0.8333 + 1.5 - 2 - 0.3333 = 4 + 1.5 - 2 = 3.5
б) 5 - 1 5/6 = 5 - 1 - 5/6 = 4 1/6
в) 3 5/6 + 1.5 - 2 1/3 = 3 + 5/6 + 1.5 - 2 - 1/3 = 3 + 0.8333 + 1.5 - 2 - 0.3333 = 4 + 1.5 - 2 = 3.5