一个数倒过来看是正着看的1.5倍。猜猜是几？题目如下：一个三位数，写在一张纸上，倒过来看是正着看的1.5 倍，正着看是倒过来看的2/3。这个三位数是几？

分析与解：这个三位数是666。其实，只要你稍加思索，就可以想出来了。这道题如果要求找一个一位数，那就是6；找一个两位数，则是66；找一个四位数，则是6666，……，依此类推。关键是要知道6和9这两个数字是可以倒过来互相转化的，而且它们正好符合题中的数量关系。

推荐阅读：
How to Use Goals to Keep on Blogging　 So You Want To Be A Blogger?　 How You Can Earn More With Bitcoins On Your Blog　 Explore New Ways of Online Publishing With Mobirise　 Is Working from Home as a Blogger a Good Fit?　 Why You Should Handwrite Your Blog Post First　 The Good Old Days – 5 Ways To Use Nostalgia Marketing In Ecommer　 7 Top Tools to Build Your Blog and Brand Like A Pro　 Top Reasons to Start a Blog During Lockdown　 3 Tips for Handling a National Crisis – From a Blogging Perspect