Решите , а)3*2 5/6 3/8) * 4 в) -9 4/9 : (-5) г)2 3/7 : (-14)

А) 3 × 2 5/6 = 3 × 17/6 = 17/2 = 8 1/2
б) -1 3/8 × 4 = (-11/8) × 4 = -11/2 = -5 1/2
в) -9 4/9 : (-5) = -85/9 × (-1/5) = -17/9 = -1 8/9
г) 2 3/7 : (-14) = 17/7 × (-1/14) = -17/98