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一月 january (jan)2. 四月 april (apr)5. 二月 february (feb)3. 根号3等于多少√3 ≈ 1. 732 只能用计算器运算,如果自己算只能得出近似值。扩展资料开根也叫开方,指求一个数的方根的运算,为乘方的逆运算(参见“方根”词 … 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命 … 英语9月september,便由此演变而来。 3、october。 英语10月,来自拉丁文 octo,即“8”的意思。 它和上面讲的9月一样,历法改了,称呼仍然沿用未变。 4 … 三月 march (mar) 4.