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Physics, 26.07.2021 22:50 marshallmattah

Biết 5dm3 có khối lượng 7,5 kg a, tính klr của cát b, tính thể tích của 7,5 tấn cát c, tính khối lượng của một đống cát d, tính trọng lượng của 2m3

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Biết 5dm3 có khối lượng 7,5 kg a, tính klr của cát b, tính thể tích của 7,5 tấn cát c, tính khối lượ...

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