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huynhvuthephuong
2 năm trước
Bài 1: Vì sao khi rót nước sôi vào các li thủy tinh, các li này dễ bị nứt vỡ? Li thủy tinh dày hay li thủy tinh mỏng dễ vỡ hơn? Cách làm giảm thiểu sự vỡ li thủy tinh khi rót nước sôi vào? Bài 2: Hãy giải thích tại sao khi đựng chất lỏng trong chai, người ta không đổ chất lỏng đầy chai?
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