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lohong2k3it
2 năm trước
Một người mang 6 giỏ trứng gà và trứng vịt đi bán. Mỗi giỏ chỉ đựng hoặc trứng gà hoặc trứng vịt với số lượng như nhau 31, 39, 40, 42, 44, 46. Sau khi bán một giỏ trứng vịt thì số trứng gà còn lại gấp 6 lần số trứng vịt còn lại. Hãy cho biết giỏ nào đựng trựng trứng gà giỏ nào đựng trứng vịt ? Giải chi tiết hộ mik vote 5 sao cho.
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