Question

СРОЧНО!!!
169/300 + (-21 1/3)

Answer 1

решение и ответ .........

Answer 2

169/300 + (- 21 1/3) =
= 169/300 - 64/3 =
= 169/300 - 6400/300 =
= - 6231/300 = - 20 231/300 =
= - 20 77/100   (или   -20,77)