Trong một lớp học có $35$ sinh viên nói được tiếng Anh, $25$ sinh viên nói được tiếng Nhật trong đó có $10$ sinh viên nói được cả tiếng Anh và tiếng Nhật. Mỗi sinh viên trong lớp nói được ít nhất một trong

Saad Mehmood asked Mar 21, 2022

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Saad Mehmood asked Mar 21, 2022

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please write this question in English then I give answer

Erik Djupvik answered Mar 27, 2022

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