{"id":24724,"date":"2017-12-10T00:02:10","date_gmt":"2017-12-09T22:02:10","guid":{"rendered":"http:\/\/www.lecturesbureau.gr\/1\/?p=24724"},"modified":"2017-12-09T22:05:45","modified_gmt":"2017-12-09T20:05:45","slug":"amicable-numbers-1064","status":"publish","type":"post","link":"https:\/\/www.lecturesbureau.gr\/1\/amicable-numbers-1064\/","title":{"rendered":"\u03a6\u0399\u039b\u039f\u0399 \u0391\u03a1\u0399\u0398\u039c\u039f\u0399"},"content":{"rendered":"<p>\u039f \u0399\u03ac\u03bc\u03b2\u03bb\u03b9\u03c7\u03bf\u03c2 (\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03c3\u03c4\u03b1 320 \u03bc.\u03a7.), \u03ad\u03bd\u03b1\u03c2 \u03bd\u03b5\u03bf\u03c0\u03bb\u03b1\u03c4\u03c9\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c6\u03b9\u03bb\u03cc\u03c3\u03bf\u03c6\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03c0\u03b9\u03c1\u03c1\u03bf\u03ae, \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03b4\u03ce\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03a0\u03c5\u03b8\u03b1\u03b3\u03cc\u03c1\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 \u03c4\u03c9\u03bd \u03c6\u03af\u03bb\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd. \u0394\u03cd\u03bf \u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03b1\u03ba\u03ad\u03c1\u03b1\u03b9\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03a6\u0399\u039b\u039f\u0399 \u03b1\u03bd \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b3\u03bd\u03ae\u03c3\u03b9\u03c9\u03bd \u03b4\u03b9\u03b1\u03b9\u03c1\u03b5\u03c4\u03ce\u03bd \u03c4\u03bf\u03c5 \u03ac\u03bb\u03bb\u03bf\u03c5.<br \/>\n\u0388\u03c4\u03c3\u03b9 \u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af 284 \u03ba\u03b1\u03b9 220, \u03c0\u03bf\u03c5 \u03bf \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c0\u03bf\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03a0\u03c5\u03b8\u03b1\u03b3\u03cc\u03c1\u03b1, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c6\u03af\u03bb\u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03b1\u03c6\u03bf\u03cd \u03bf\u03b9 \u03b3\u03bd\u03ae\u03c3\u03b9\u03bf\u03b9 \u03b4\u03b9\u03b1\u03b9\u03c1\u03ad\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 220, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03bf\u03b9 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 \u03ba\u03b1\u03b9 110, \u03b4\u03af\u03bd\u03bf\u03c5\u03bd \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 284 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b3\u03bd\u03ae\u03c3\u03b9\u03bf\u03b9 \u03b4\u03b9\u03b1\u03b9\u03c1\u03ad\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 284, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03bf\u03b9 1, 2, 4, 71 \u03ba\u03b1\u03b9 142, \u03b4\u03af\u03bd\u03bf\u03c5\u03bd \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 220. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03b1\u03c0\u03ad\u03ba\u03c4\u03b7\u03c3\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03c5\u03c3\u03c4\u03b9\u03ba\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03af\u03b3\u03bb\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c0\u03b1\u03c1\u03ad\u03bc\u03b5\u03b9\u03bd\u03b5 \u03b7 \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03ac\u03bb\u03b7\u03c8\u03b7 \u03cc\u03c4\u03b9 \u03b4\u03cd\u03bf \u03c6\u03c5\u03bb\u03b1\u03ba\u03c4\u03ac \u03c0\u03bf\u03c5 \u03ad\u03c6\u03b5\u03c1\u03b1\u03bd \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03b6\u03b1\u03bd \u03c4\u03b7\u03bd \u03a4\u0395\u039b\u0395\u0399\u0391 \u03a6\u0399\u039b\u0399\u0391 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b1\u03c5\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c4\u03b1 \u03c6\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd. \u039f\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03ac\u03c1\u03c7\u03b9\u03b6\u03b1\u03bd \u03bd\u03b1 \u03c0\u03b1\u03af\u03b6\u03bf\u03c5\u03bd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf \u03c3\u03c4\u03b1 \u03bc\u03ac\u03b3\u03b9\u03b1, \u03c4\u03b1 \u03be\u03cc\u03c1\u03ba\u03b9\u03b1, \u03c4\u03b7\u03bd \u03b1\u03c3\u03c4\u03c1\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03c4\u03bf\u03c5 \u03c9\u03c1\u03bf\u03c3\u03ba\u03cc\u03c0\u03b9\u03bf\u03c5. \u03a4\u03bf\u03bd \u039c\u03b5\u03c3\u03b1\u03af\u03c9\u03bd\u03b1 \u03c0\u03bf\u03c5\u03bb\u03b9\u03cc\u03bd\u03c4\u03b1\u03bd \u03c6\u03c5\u03bb\u03b1\u03ba\u03c4\u03ac \u03c0\u03bf\u03c5 \u03b5\u03af\u03c7\u03b1\u03bd \u03c7\u03b1\u03c1\u03b1\u03b3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c5\u03bd\u03bf\u03bf\u03cd\u03c3\u03b1\u03bd \u03b5\u03c1\u03c9\u03c4\u03b9\u03ba\u03ac \u03cc\u03c0\u03bf\u03b9\u03bf\u03bd \u03c4\u03b1 \u03c6\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5.<br \/>\n\u03a3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b1\u03c1\u03b1\u03b2\u03b9\u03ba\u03ac \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b1\u03c4\u03b1 \u03bf\u03b9 \u03c6\u03af\u03bb\u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af. \u03a0\u03b1\u03af\u03b6\u03bf\u03c5\u03bd \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf \u03c3\u03c4\u03b7\u03bd \u03bc\u03b1\u03b3\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c3\u03c4\u03c1\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, \u03c3\u03c4\u03b7\u03bd \u03c3\u03cd\u03bd\u03c4\u03b1\u03be\u03b7\u00a0 \u03c4\u03c9\u03bd \u03c9\u03c1\u03bf\u03c3\u03ba\u03bf\u03c0\u03af\u03c9\u03bd, \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03b5\u03c1\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c6\u03af\u03bb\u03c4\u03c1\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03c6\u03c5\u03bb\u03b1\u03ba\u03c4\u03ce\u03bd.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24730 aligncenter\" src=\"https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064b.jpg?resize=900%2C609\" alt=\"\" width=\"900\" height=\"609\" srcset=\"https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064b.jpg?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064b.jpg?resize=300%2C203&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064b.jpg?resize=768%2C520&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064b.jpg?resize=700%2C474&amp;ssl=1 700w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/a>Image: Demonstration, with rods, of the amicability of the pair of numbers (220,284) | source: https:\/\/en.wikipedia.org\/wiki\/Amicable_numbers<\/p>\n<p>&nbsp;<\/p>\n<p>\u039c\u03b5\u03c4\u03ac \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 \u03c6\u03af\u03bb\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd 284 \u03ba\u03b1\u03b9 220, \u03b4\u03b5 \u03b2\u03c1\u03ad\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03ac\u03bb\u03bb\u03bf \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c0\u03bf\u03c5 \u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c2 \u0393\u03ac\u03bb\u03bb\u03bf\u03c2 \u03a0\u03b9\u03b5\u03c1 \u03bd\u03c4\u03b5 \u03a6\u03b5\u03c1\u03bc\u03ac \u03b1\u03bd\u03b1\u03ba\u03bf\u03af\u03bd\u03c9\u03c3\u03b5 \u03c3\u03c4\u03b1 1636 \u03ad\u03bd\u03b1 \u03bd\u03ad\u03bf \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd, \u03c4\u03bf\u03c5\u03c2 17.296 \u03ba\u03b1\u03b9 18.416. \u0394\u03cd\u03bf \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b1\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03bf \u0393\u03ac\u03bb\u03bb\u03bf\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03b9\u03bb\u03cc\u03c3\u03bf\u03c6\u03bf\u03c2 \u039a\u03b1\u03c1\u03c4\u03ad\u03c3\u03b9\u03bf\u03c2 \u03ad\u03b4\u03c9\u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c4\u03c1\u03af\u03c4\u03bf \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 (9363584 \u03ba\u03b1\u03b9 9437056).\u039f \u0395\u03bb\u03b2\u03b5\u03c4\u03cc\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u039b\u03ad\u03bf\u03bd\u03b1\u03c1\u03bd\u03c4 \u038c\u03c5\u03bb\u03b5\u03c1 (Leonard Euler) \u03ba\u03b1\u03c4\u03b1\u03c0\u03b9\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c6\u03af\u03bb\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 1747 \u03ad\u03b4\u03c9\u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf \u03bc\u03b5 30 \u03b6\u03b5\u03cd\u03b3\u03b7, \u03c0\u03bf\u03c5 \u03b1\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03cd\u03be\u03b7\u03c3\u03b5 \u03c3\u03b5 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 60. \u03a4\u03bf \u03b1\u03be\u03b9\u03bf\u03c0\u03b5\u03c1\u03af\u03b5\u03c1\u03b3\u03bf \u03c3\u03c4\u03b7\u03bd \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03ae\u03c4\u03b1\u03bd \u03b7 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03b5\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b1\u03bd\u03b1\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7, \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03b5\u03ba\u03b1\u03b5\u03be\u03ac\u03c7\u03c1\u03bf\u03bd\u03bf \u0399\u03c4\u03b1\u03bb\u03cc \u039d\u03b9\u03ba\u03bf\u03bb\u03cc \u03a0\u03b1\u03b3\u03ba\u03b1\u03bd\u03af\u03bd\u03b9 (Nicolo Paganini) \u03c3\u03c4\u03b1 1866, \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03bb\u03b7\u03bc\u03ad\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b9\u03ba\u03c1\u03bf\u03cd \u03b6\u03b5\u03cd\u03b3\u03bf\u03c5\u03c2 1184 \u03ba\u03b1\u03b9 1210. \u03a3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 1000 \u03b6\u03b5\u03cd\u03b3\u03b7 \u03c6\u03af\u03bb\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd.<\/p>\n<p>&nbsp;<br \/>\n<strong><em> \u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1<\/em><\/strong><br \/>\n<strong><em> Heath T.L., Diophantus of Alexandria, Sieprinski Waclaw, A selection of Problems in the Theory of Numbers,Sierpinski Waclaw, Pythagorean Triangles, \u039c.\u03a0\u03cc\u03bb\u03b7\u03c2. \u03a6\u03af\u03bb\u03b9\u03bf\u03b9 \u0391\u03c1\u03b9\u03b8\u03bc\u03bf\u03af. <\/em><\/strong><br \/>\n<strong><em>\u0391.\u0394\u03c1\u03bf\u03cd\u03b3\u03b1\u03c2. \u03a6\u03af\u03bb\u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af, \u03b4\u03bf\u03be\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03bb\u03ae\u03c8\u03b5\u03b9\u03c2. \u039c\u03b1\u03c1\u03c4\u03af\u03bd \u0393\u03ba\u03ac\u03c1\u03bd\u03c4\u03bd\u03b5\u03c1 Mathematical Magic Show.<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>E\u03b9\u03ba\u03cc\u03bd\u03b1: http:\/\/maxcdn.inspirationfeed.com\/wp-content\/uploads\/2013\/05\/minimal-geometric-compositions-17.jpg<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039f \u0399\u03ac\u03bc\u03b2\u03bb\u03b9\u03c7\u03bf\u03c2 (\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03c3\u03c4\u03b1 320 \u03bc.\u03a7.), \u03ad\u03bd\u03b1\u03c2 \u03bd\u03b5\u03bf\u03c0\u03bb\u03b1\u03c4\u03c9\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c6\u03b9\u03bb\u03cc\u03c3\u03bf\u03c6\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03c0\u03b9\u03c1\u03c1\u03bf\u03ae, \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03b4\u03ce\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03a0\u03c5\u03b8\u03b1\u03b3\u03cc\u03c1\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 \u03c4\u03c9\u03bd \u03c6\u03af\u03bb\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd. \u0394\u03cd\u03bf \u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03b1\u03ba\u03ad\u03c1\u03b1\u03b9\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03a6\u0399\u039b\u039f\u0399 \u03b1\u03bd \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b3\u03bd\u03ae\u03c3\u03b9\u03c9\u03bd \u03b4\u03b9\u03b1\u03b9\u03c1\u03b5\u03c4\u03ce\u03bd \u03c4\u03bf\u03c5 \u03ac\u03bb\u03bb\u03bf\u03c5. \u0388\u03c4\u03c3\u03b9 \u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af 284 \u03ba\u03b1\u03b9 220,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":24729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1,66],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=900%2C609&ssl=1","rttpg_featured_image_url":{"full":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=900%2C609&ssl=1",900,609,false],"landscape":["https:\/\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg",900,609,false],"portraits":["https:\/\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg",900,609,false],"thumbnail":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=300%2C203&ssl=1",300,203,true],"large":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=900%2C609&ssl=1",900,609,true],"1536x1536":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=900%2C609&ssl=1",900,609,true],"2048x2048":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=900%2C609&ssl=1",900,609,true],"portfolio-square":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=570%2C570&ssl=1",570,570,true],"portfolio-portrait":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=600%2C609&ssl=1",600,609,true],"portfolio-landscape":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=800%2C600&ssl=1",800,600,true],"menu-featured-post":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=345%2C198&ssl=1",345,198,true],"qode-carousel_slider":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=400%2C260&ssl=1",400,260,true],"portfolio_slider":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=500%2C380&ssl=1",500,380,true],"portfolio_masonry_regular":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=500%2C500&ssl=1",500,500,true],"portfolio_masonry_wide":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=900%2C500&ssl=1",900,500,true],"portfolio_masonry_tall":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=500%2C609&ssl=1",500,609,true],"portfolio_masonry_large":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=900%2C609&ssl=1",900,609,true],"portfolio_masonry_with_space":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=700%2C474&ssl=1",700,474,true],"latest_post_boxes":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=539%2C303&ssl=1",539,303,true],"woocommerce_thumbnail":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=300%2C300&ssl=1",300,300,true],"woocommerce_single":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?fit=600%2C406&ssl=1",600,406,true],"woocommerce_gallery_thumbnail":["https:\/\/i0.wp.com\/www.lecturesbureau.gr\/1\/wp-content\/uploads\/2017\/12\/post-1064.jpg?resize=100%2C100&ssl=1",100,100,true]},"rttpg_author":{"display_name":"admin","author_link":"https:\/\/www.lecturesbureau.gr\/1\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/www.lecturesbureau.gr\/1\/category\/uncategorized\/?lang=en\" rel=\"category tag\">Uncategorized<\/a> <a href=\"https:\/\/www.lecturesbureau.gr\/1\/category\/science\/\" rel=\"category tag\">\u0395\u03a0\u0399\u03a3\u03a4\u0397\u039c\u0397<\/a>","rttpg_excerpt":"\u039f \u0399\u03ac\u03bc\u03b2\u03bb\u03b9\u03c7\u03bf\u03c2 (\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03c3\u03c4\u03b1 320 \u03bc.\u03a7.), \u03ad\u03bd\u03b1\u03c2 \u03bd\u03b5\u03bf\u03c0\u03bb\u03b1\u03c4\u03c9\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c6\u03b9\u03bb\u03cc\u03c3\u03bf\u03c6\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03c0\u03b9\u03c1\u03c1\u03bf\u03ae, \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03b4\u03ce\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03a0\u03c5\u03b8\u03b1\u03b3\u03cc\u03c1\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 \u03c4\u03c9\u03bd \u03c6\u03af\u03bb\u03c9\u03bd 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