Question

Выполнить действие.

(8-4 3/11) +2 8/11

11 1/7 -(5 4/7+3 6/7)

Решить уравнения

(х-1 8/9)+3 7/9 = 4 4/9

Answer 1

(8-4 3/11)+2 8/11=7 11/11-4 3/11+2 8/11=5 16/11=6 5/11

11 1/7-(5 4/7+3 6/7)=11 1/7-5 4/7-3 6/7=78/7-39/7-27/7=12/7=1 5/7

(х-1 8/9)+3 7/9=4 4/9
х-1 8/9+3 7/9=4 4/9
х=4 4/9+1 8/9-3 7/9
х=2 5/9