Question

 me  ajudem  ;simplique a fraçao 4.5!-3.4!

Answer 1

$\boxed{(4)5! - (3)4!}$

$\boxed{(4)(5)4!-3(4)! = 4!(20 - 3) = 4!(17)}$

$\boxed{\boxed{24*17 = 408}}$

Espero ter ajudado. :))

Answer 2

 4.5!-3.4! = 4.5.4.3.2.1-3.4.3.2.1 = 480-72=408