Question

срочно .!!!!!!!!!!!! ​

Answer 1

Пошаговое объяснение:

1.

C⁶49=49!/(6!•(49-6)!)=

=(49•48•47•46•45•44•43!)/(6!•43!)=

=(49•48•47•46•45•44)/6!=

=10068347520/6!=10068347520/720=

=13983816=1,3983816•10⁷ способами

2.

С²35=35!/(2!•(35-2)!)=

=(35•34•33!)/(2!•33!)=

=(35•34)/2!=(35•34)/2=1190/2=595 способами