Mathematics, 19.06.2021 01:10 michaellowe8434
Xếp 10 người ngẫu nhiên vào một dãy ghế có 10 chỗ trống, trong đó có Lan và Hồng. Tìm xác suất để Lan được ngồi cạnh H ồng.
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Xếp 10 người ngẫu nhiên vào một dãy ghế có 10 chỗ trống, trong đó có Lan và Hồng. Tìm xác suất để La...
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