Gia na sas fygei h aporia, to diplo paragontiko "!!" orizetai ws ekshs:
n!! = n * (n-2) * (n-4) * ...
epomenws einai mikrotero apo to n!
Filika
Yiannis
______________________________________________________________________
Quiz of the Day ... ÅëëçíéêÞ Ëßóôá ìå óðáæïêåöáëéÝò ... êáé Üëëá ...
Ðëçñïöïñßåò --> https://anekdota.duckdns.org/quiz_list.html
______________________________________________________________________