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'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 探究同种物质的质量与体积的关系 1. 实验步骤 (1)取大小不同的若干铝块,标号为铝块...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 质量与密度 物体所含物质的多少叫质量,用m表示。物体的质量不随物体的形状、状态、...
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