24 ! - 21 ! / 21 != - Universityku

24 ! – 21 ! / 21 !=

Jawab:

12143

Penjelasan dengan langkah-langkah:

$frac{24!-21!}{21!}=frac{24.23.22.21!-21!}{21!}\\~~~~~~~~~~=frac{21!(24.23.22-1)}{21!}\\~~~~~~~~~~=24.23.22-1\\~~~~~~~~~~=12143$