رد: تجمع استفسارات ؟ ♥ ♥ #تحضيري_15 ♥ ♥
How many different ways can Eight people: Ahmed, Badr, Sameer, Khailed, Saeed, Salem, Ali, and Naser, sit in a row at the class if Ahmed and Bader must sit together?
40320
5040
40319
64
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