Question

(15 5/6 - 9 25/27) - 2 17/18

Answer 1

Ответ:6 1/2

Пошаговое объяснение:(15 5/6 -9 25/27) - (2/3-5/18) + 7/27 + 13/18 = 6 1/2

15 5/6-9 25/27=95/6-268/27=(855-536)/54=319/54

2/3-5/18=(12-5)/18=7/18

319/54-7/18+7/27+13/18=(319-21+14+39)/54=351/54=6 1/2