B.2: -2 + 3/4, B.3: -1/3 + 2

**Решение:** **B.2:** \[-2 + \frac{3}{4} = -\frac{8}{4} + \frac{3}{4} = -\frac{5}{4} = -1\frac{1}{4}\] **B.3:** \[-\frac{1}{3} + 2 = -\frac{1}{3} + \frac{6}{3} = \frac{5}{3} = 1\frac{2}{3}\] **Ответ:** B.2: -1 1/4, B.3: 1 2/3