Question

-2,25 - 5 5/6 = ?
Даю 50 баллов

Answer 1

Ответ:

$-2,25 - 5 \dfrac{5}{6} =-2\dfrac{25}{100} -5\dfrac{5}{6} =-2\dfrac{1}{4} -5\dfrac{5}{6} =-\dfrac{9}{4} -\dfrac{35}{6} =-(\dfrac{27}{12} +\dfrac{70}{12} )=$

$=-\dfrac{97}{12} =-8\dfrac{1}{12}$