Получаем:
5/4x * 2x/3 = 10/12x^2 = 5/6x^2
a^2/8 * 4/a = 4a^2 / 8a = a/2
6b/7y * 14/3b = 84b / 21by = 4 / y
Получаем:
5/4x * 2x/3 = 10/12x^2 = 5/6x^2
a^2/8 * 4/a = 4a^2 / 8a = a/2
6b/7y * 14/3b = 84b / 21by = 4 / y