Решите пример: (3,15+2 1/12-1/3): (7,3-0,4*8,5)

(3,15+2 1/12-1/3):(7,3-0,4*8,5) = (3,15+25/12-4/12):(7,3-3,4) = (3,15+21/12):3,9 = (945/300+525/300):3,9 = 1470/300:3,9 = 4,9:3,9 = 1,25461(025461)