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先把空瓶的質量用天平稱出來S瓶然後再用水把空瓶裝滿量測裝水空瓶的質量S水+瓶然後用S水+瓶—S瓶=S水水的密度是知道的吧1g/cm^3用算得的水的質量和密度求出空瓶的體積V瓶然後再把水倒出,擦淨,裝滿油測出油和瓶的…
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