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20千克是多少个500克
更新时间: 2020-11-05 00:00:00  

40个500克。因为500克等于0.5千克,所以40个500克等于20千克。千克为国际单位制中度量质量的基本单位,千克也是日常生活中最常使用的基本单位之一。一千克的定义就是国际千克原器的质量,几乎与一升的水等重。

关键词: 千克 多少

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