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phanbathong
2 năm trước
Phấn viết được đựng trong cái hộp có chiều cao 6cm , đáy hộp là hình vuông có cạnh 12cm . Người ta xếp các hộp phấn vào các thùng có chiều dài 1,8m , chiều rộng 1,2m và chiều cao 0,3m . Hỏi để xếp hết 204800 hộp phấn đó vào các thùng ta cần ít nhất bao nhiêu cái thùng ? GIÚP MÌNH NHA .
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