家庭小木屋

家是什么?众说纷纭。社会学家说,家是社会的最小细胞;婚姻学家说,家是风雨相依的两人世界;文学家说,家是宝盖下面养着的一群猪……究竟什么是家呢?记得在一个朋友的结婚典礼上司仪饱含深情的那句话:家不是讲理的地方,家不是放钱的地方,家不是两个人凑合过日子的地方……

The Fibonacci sequence: an introduction


The Fibonacci sequence is probably one of the most famous — and most widely written-about — number sequences in all of mathematics. So why write about it, if it’s been written about so much already? Well, because I can, and because it’s fun — there are good reasons it’s so popular! I plan to spend the next five posts (at least) talking about the Fibonacci sequence and its connections to other areas of mathematics.



Detail:

https://www.facebook.com/mathtopics/posts/457816261034963

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