Комбинаторика:[tex]C \left \ {{1} \atop {4}} \right. + C \left \{ {{9} \atop {48}} \right. =???[/tex]. Created by Sujh3. matematika-ru

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August 2022 1 9 Report

Комбинаторика:
[tex]C \left \ {{1} \atop {4}} \right. + C \left \{ {{9} \atop {48}} \right. =???[/tex]

Answers & Comments

yasmin0 $\frac{4!}{1!(4-1)!} * \frac{48!}{9!(48-9)!}= \frac{4!}{3!} } * \frac{48!}{9!*39!} =4* \frac{40*41*42*43*44*45*46*47*48}{2*3*4*5*6*7*8*9} =\\=4*40*41*43*11*46*47=6708426560$

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Sujh3 спасибо

yasmin0 не за что

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