Question

выполните действия: 1) ( 6,75+(-45)*1 2/3)*(-1 1/3) в кубе

Answer 1

(6,75+ (-45) * 1 2/3) * (-1 1/3)³ = 
= (6,75 - 45 * 5/3) * (-4/3)³ = 
= (6,75 - 75) * (- 64/27) = 
= (- 68,25) * (-64/27) =
= (- 68 1/4) * (- 64/27) =
=   273/4 * 64/27 = 
= 91 * 16 /9 = 1456/9 = 161 7/9
Ответ: 161и7/9