Question

(1 1/12 + 1 5/8) *(-1 11/13) - ( 1 1/12 - 1 5/8 )*1 7/26
Решите плиз даю 30 балов

Answer 1

11/12 + 15/8=25/20
25 /20*1 11/13=1 250/260
11/12-15/8=4/24
4/24*17/26=68/80
1 250/260-68/80=1 182/260