1 khu đất HCN có nửa chu vi là 247m. Chiều dài hơn chiều rộng 37m. Người ta trồng khoai trên khu đất đó, tính ra cứ 8m2 thì thu hoạch được 32kb khoai. Hỏi người ta thu hoạch được ở khu đất đó bao nhiêu tạ khoai?

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