3 3/4 : 0.03 + 4.52 : (-4 5/27)

Решим пример по действиям:1) 3 3/4 = (3 * 4 + 3)/4 = 15/4;2) 4 5/27 = (4 * 27 + 5)/27 = 113/27;3) 15/4 : 3/100 = (15 * 100)/(4 * 3) = 25 * 5 = 125;4) 452/100 : (-113/27) = - (452 * 27)/(100 * 113) = - 4 * 27/100 = - 108/100;5) 125 - 108/100 = 12500/100 - 108/100 = 12392/100 = 123,92.