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nhokpoki2001
2 năm trước
Toán vui : 1 người đem cam ra chợ bán . Lần thứ 1 người đó bán 1/2 số cam và 1/2 quả . Lần thứ 2 bán 1/2 số cam còn lại và 1/2 quả . Và cứ tiếp tục bán như thế 6 lần thì bán hết số cam . Hỏi người đó đem ra chợ bán bao nhiêu quả cam ?
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