Question

1. Simplificar e efetuar: 6! + 3! –5! / 5!

Answer 1

6! + 3! - 5!/5!
6.5.4.3! + 3! - 1
3! (6.5.4 + 1) - 1
3.2 (120 + 1) - 1
6 (121) - 1
726 - 1
725