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(1)ρ鋁=2.7×103kg/m3=2.7g/cm3,由ρ=mV得質量為27g鋁的體積:V鋁=mρ鋁=27g2.7g/cm3=10cm3,空心部分的體積:V空=V球-V鋁=30cm3-10cm3=20cm3;(2)裝滿液體液體的質量:m液=m總′-m=43g-27g=16g,液體的體積:…
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