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Mathematics, 28.06.2021 17:10 nestergurl101

Bốn người bạn Hùng, Nhàn, Nam, Tâm quyế định đi du lịch ở 4 địa danh khác nhau: Vịnh Hạ Long, Đồ Sơn, Sầm Sơn, Hội An để sau đó trao đổi cảm tưởng của mình ở mỗi nơi đã đi. Hỏi ai đã đi du lịch ở đâu? Biết rằng họ thỏa thuận với nhau: Nếu Hùng không đi Vịnh Hạ Long thì Nam không đi Đồ Sơn. Nếu Nhàn Không đi Vịnh Hạ Long và Hội An Thì Hùng đi Vịnh Hạ Long. Nếu Nam không đi Hội An thì Nhàn đi Sầm Sơn. Nếu Tâm không đi Vịnh Hạ Long thì Nhàn đi Vịnh Hạ Long. Nếu Tâm không đi Đồ Sơn thì Nhàn không đi Vịnh Hạ Long.

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Bốn người bạn Hùng, Nhàn, Nam, Tâm quyế định đi du lịch ở 4 địa danh khác nhau: Vịnh Hạ Long, Đồ Sơn...
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