ybetancourt1
01.09.2019 •
Mathematics
6! + 2!
i need . i have not learned this yet.
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Ответ:
=( 6 x 5 x 4 x 3 x 2 x 1) + (2 x 1)
= 720 + 2
= 722
Ответ:
= 7 P 5
= 7! / (7 - 5)!
= 7! / 2!
= 5040 / 2
= 2520