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(1)v冰=m冰/p冰=9kg/(0.9×10³kg/m³)=0.01m³ (2)v冰=3dm³=0.003m³ m冰=p冰v冰=0.9×10³kg/m³X0.003m³=2.7kg 冰融化為水質量不變.m水=m冰=2.7kg
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