Question

Você simplificou corretamente a expressão 5!/3! e encontrou? *.

Answer 1

$\large \boxed{ \begin{array}{l} ~~~~~ \dfrac{5!}{3! } \\ \\ \dfrac{5 \: . \: 4 \: . \: \cancel{3!}}{ \cancel{3!}} \\ \\~~~5 \: . \: 4 \\ \\ ~~~\boxed{20}\end{array}}$

Answer 2

$\mathsf{\dfrac{5!}{3!}=\dfrac{5\cdot4\cdot\diagup\!\!\!\!3!}{\diagup\!\!\!\!3!}=20\blue\checkmark}$