Mathematics
Mathematics, 22.07.2021 14:20, jimena15

Có 5 hành khách bước ngẫu nhiên lên một đoàn tàu có 3 toa, tìm xác suất để chỉ có 2 người lên toa thứ nhất.

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Có 5 hành khách bước ngẫu nhiên lên một đoàn tàu có 3 toa, tìm xác suất để chỉ có 2 người lên toa th...

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