Question

Математика!Срочно!.....

Answer 1

15,25 - 4 1/6 - (5,15 - 2 2/3) = 15 1/4 - 4 1/6 - (5 3/20 - 2 2/3) = 61/4 - 25/6 - (103/20 - 8/3) = 183/12 - 50/12 - (309/60 - 160/60) = 133/12 - (149/60) = 133/12 - 149/60 = 665/60 - 149/60 = 516/60 = 8 36/60 = 8 3/5