duyd81317 duyd81317
  • 22-06-2021
  • Mathematics
contestada

Trong một lớp học có 50 sinh viên. Hỏi có bao nhiêu cách bầu ra một ban cán sự lớp gồm 3 người: 1 lớp trưởng, 1 lớp phó, 1 bí thư và không kiêm nhiệm chức vụ.

Respuesta :

alikhanismyusername
alikhanismyusername alikhanismyusername
  • 22-06-2021

Answe

SI Si olla amigo lel just spammin here

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