Question

СРОЧНО.
Даю 60 баллов.
Пример на фото

Answer 1

1) 9 - 13 2/15 = -( 13 2/15 - 9) = -4 2/15
2) 2 1/15 * (-4 2/15) = -31/15 * 62/15 = -1922/225
3) 2 1/15 - 9 = -(9-2 1/15) = -6 14/15
4) 13 2/15 * (-6 14/15) = -197/15 * 104/15 = -20488/225
5) -1922/225 - 20488/225 = -22410/225 = -1494/15 = -498/5 = -99,6

Ответ: -99,6