korovkinasanya korovkinasanya

16-09-2022
Mathematics

contestada

имеется 9 различных книг 4 из которых учебники. Сколькими способами можно расставить эти книги на полке так чтобы все учебники стояли рядом

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chibabykalu16 chibabykalu16

16-09-2022

Answer:

17280

Step-by-step explanation:

И для этих 4 книг, сложенных вместе, возможное расположение будет следующим: 4 х 3 х 2 х 1 = 24. Всего возможные способы расположения 9 книг будут: 720 х 24 = 17280.

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