Question

(5/7)²×1/15=
(1/2)²×4/5=
(2целых 1/3)²×27/98
Помогите пожалуйста!!♥
Заранее Спасибо!!

Answer 1

(5/7)^2 * 1/15 = 25/49 * 1/15 = 25/735 = 5/147
(1/2)^2 * 4/5 = 1/4 * 4/5 = 4/20 = 1/5 = 0,2
(2 1/3)^2 * 27/98 = (7/3)^2 * 27/98 = 49/9 * 27/98 = 1323/882 = 147/98 = 1 49/98 = 1,5