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116问答网 > 在实验室里，张宇用托盘天平测铜块的质量．当天平平衡时，右盘中放有50g、20g、10g的砝码各一个，游码的

在实验室里，张宇用托盘天平测铜块的质量．当天平平衡时，右盘中放有50g、20g、10g的砝码各一个，游码的

2025-04-07 03:52:48

推荐回答（1个）

回答1：

（1）图1中标尺的分度值为0.2g，铜块的质量为50g+20g+10g+2.4g=82.4g；
（2）图2中量筒中液体的体积为60cm³；
（3）图3中刻度尺的分度值为1mm，其右端对应的示数是1.80cm，左端对应的示数是0.50cm，则物体的长度为1.80cm-0.50cm=1.30cm．
故答案为：82.4； 60cm³； 1.30cm，1mm．

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