cuongtq2009 cuongtq2009
  • 22-12-2022
  • English
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Một vật móc vào lực kế ngoài không khí lực kế chỉ 2,35 n khi nhúng chìm vào trong nước lực kế chỉ 1,65 n biết trọng lượng biết trọng lượng riêng của nước là 10 n/m³. Thể tích của vật bằng bao nhiêu xentimét khối

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