помогите пожалуйста
9 1/4*8-3 2/3*4 1/2-10 4/5*4 7/12

9 1/4 * 8 - 3 2/3 * 4 1/2 - 10 4/5 * 4 7/12 = 81) 9 1/4 * 8 = 37/4 * 8 = 37 * 2 = 742) 3 2/3 * 4 1/2 = 11/3 * 9/2 = (11*3)/(1*2) = 33/2 = 16,53) 10 4/5 * 4 7/12 = 54/5 * 55/12 = (9*11)/(1*2) = 99/2 = 49,54) 74 - 16,5 = 57,55) 57,5 - 49,5 = 8