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30亩地有多大
更新时间: 2020-11-04 00:00:00  

30亩地有2万平方米,一亩地约等于666平方米,30亩则是2万平方米。

亩是中国市制土地面积单位,一亩等于六十平方丈,大约666.67平方米。十五亩等于一公顷。选取60平方丈是因为中国古代的计数方法。现在计数大都以十为一个单位进位,古代的进位则多以"60”为一个单位进位。比如一甲子为60年等。

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