Question

вычислить:
$\frac{15!}{14!}$

Answer 1

$\displaystyle \tt \frac{15!}{14!} = \frac{14! \cdot15}{14!} = \bold{15}$

Answer 2

15!/14!=1*2*3*4*5*6*7*8*9*10*11*12*13*14*15/

(1*2*3*4*5*6*7*8*9*20*11*12"13*14)=15