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19612368的近似数是多少
更新时间: 2020-10-31 00:00:00  

19612368的近似数是20000000,因为根据四舍五入的规则,一个数精确到千万位要看百万位上的数,百万位是9小于4,所以这个数约等于20000000。近似数是指与准确数相近的一个数,而且近似数即经过四舍五入、进一法或者去尾法等方法得到的一个与原始数据相差不大的一个数。

关键词: 近似 多少

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