Question

Найдите значение выражения:
$frac{8!}{6!*2!}$

Answer 1

$displaystyle tt frac{8!}{6!cdot2!}=frac{6!cdot7cdot8}{6!cdot1cdot2}=7cdot4=bold{28}$

Ответ: 28

Answer 2

$frac{8!}{6! times 2!} = frac{1 times 2 times 3 times 4 times 5 times 6 times 7 times 8}{1 times 2 times 3 times 4 times 5 times 6 times 1 times 2} = frac{7 times 8}{2} = 7 times 4 = 28$