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Physics, 26.07.2021 06:10 damiangomzzz903

Biết 5dm3 có khối lượng 7,5 kg a, tính khối lượng riêng của cát
b tính thể tích của 7,5 tấn cát
c, tính khối lượng của 1 đống cát có thể tích 1,2 m3
d, tính trọng lượng của 2m3

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