Question

8/18-8/27=
12/13-15/26=
Помогите срочно !!!

Answer 1

8/18 - 8/27 = 24/54 - 16/54 = 8/54 = 4/27
12/13 - 15/26 = 24/26 - 15/26 = 9/26

Answer 2

Помогите ещё

Answer 3

Х-1/8=3/5

Answer 4

Х-3/7=4/21

Answer 5

$frac{8}{18} - frac{8}{27} = frac{16-24}{9}= - frac{8}{9}$