РЕШИТЕ УРАВНЕНИЕ 1 1/2 : х = 4 3/4 : 2 3/8
4 3/4х=1 1/2*2 3/8 4 3/4х=3/2*19/8 19/4х=57/16 Х=57/16:19/4=57/16*4/19 Х=3/4