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Mathematics, 06.07.2021 14:00 Messick127

Số táo của An Bình Chi là như nhau. An cho đi 17 quả, Chi cho đi 19 quả thì lúc đó số táo của Chi gấp 5 lần tổng số táo của An và Bình. Hỏi lúc đầu mỗi bạn có bao nhiêu quả táo?( Giải bài toán trên bằng phương trình hoặc hệ phương trình )

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Số táo của An Bình Chi là như nhau. An cho đi 17 quả, Chi cho đi 19 quả thì lúc đó số táo của Chi gấ...
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