4 1/2 :х +1 3/4 = 3 19/28 помогите пж
4 1/2:х=3 19/28 - 1 3/4 4 1/2:х = 3 19/28-1 21/28 4 1/2÷х =2 47/28 - 1 21/28 4 1/2÷х = 1 26/28 х= 9/2÷54/28 х= 9/2×28/54 х=14/6= 2 2/6 = 2 1/3