Question

вычислите: 1/4!+10/5!+630/6!

Answer 1

$frac{1}{4!}+frac{10}{5!}+frac{630}{6!}=frac{1}{4!}+frac{1}{4!}*frac{10}{5}+frac{1}{4!}*frac{630}{5*6}=frac{1}{4!}*(1+2+21)=\ \ =frac{1}{24}*24=1$

Answer 2

ответ 1! 1/5=56, 10/5=56, 630.87=7878