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Shell练习（九）-kindy个人博客
source link: http://blog.51cto.com/11924224/2073609
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习题1：找规律打印数字要求：请详细查看如下几个数字的规律，并使用shell脚本输出后面的十个数字。 10 31 53 77 105 141 …….提示：相邻两个数差值的差值有规律参考答案：习题2：封IP要求：根据web服务器上的访问日志
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