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1588108838043186
2 năm trước
một bình đun nước có dung tích chứa tối đa 52 lít ,đang chứa 50 lít nước ở 20 C. khi đun lượng nước này từ 20 C đến 95 C thì 1 lít nước nở thêm 60cm3 .tính thể tích của nước tràng ra ngoài bình khi đun lượng nước này đến nhiệt độ 95 C
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