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bachloi2472002
2 năm trước
một bình chia độ ghi tới cm³ có dung tích 200cm³, chứa 150cm³ nước, khi thả một viên sỏi vào bình, mực nước dâng lên và tràn ra ngoài 10cm³ nước. Hỏi thể tích của hòn đá là bao nhiêu?
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