((3^4)*(4^5))/(12^4)
(3:12)^4*4^5 (3/12)^4*4^5 (1/4)^4*4^5 (1^4/4^4)*4^5 1:4^4*4^5 Сокращаем 1*4^1 1*4=4 Ответ:4