Question

(1,75 умножить 2/3+1 3/4:1 1/8)-1 7/9 решить

Answer 1

(1,75 * 2/3 + 1 3/4  / 1 1/8) - 1 7/9 = (7/4 * 2/3 + 7/4  / 9/8) - 16/9 =
(7/6 + 14/9) - 16/9 = (21/18 + 28/18) - 32/18 = 49/18 - 32/18 = 17/18

Answer 2

Спасибо