"Pi Günü" səhifəsinin versiyaları arasındakı fərqlər

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(Rescuing 2 sources and tagging 0 as dead.) #IABot (v2.0.7)
== Xarici keçidlər ==
 
# [httphttps://web.archive.org/web/20150402223313/http://www.abc.net.au/science/articles/2011/03/10/3158045.htm?site=science/opinion%2Fopinion The infinite appeal of pi]
# [httphttps://web.archive.org/web/20100831092357/http://articles.sfgate.com:80/2009-03-11/entertainment/17211858_1_pi-day-pi-shrine-einstein-s-birthday Any way you slice it, pi's transcendental]
# [https://www.cnet.com/13578_3-10194354-38.html?part=rss&subj=news&tag=2547-1_3-0-5 National Pi Day? Congress makes it offical]