{"id":45255,"date":"2020-01-20T14:38:32","date_gmt":"2020-01-20T12:38:32","guid":{"rendered":"https:\/\/omathimatikos.gr\/?p=45255"},"modified":"2020-01-20T08:40:00","modified_gmt":"2020-01-20T06:40:00","slug":"%cf%80%ce%bf%ce%b9%ce%ac-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%84%ce%b1-%ce%bd%ce%ad%ce%b1-%ce%bc%ce%b1%ce%b8%ce%ae%ce%bc%ce%b1%cf%84%ce%b1-%cf%80%ce%bf%cf%85-%ce%b5%ce%be%ce%b5%cf%84%ce%ac%ce%b6%ce%bf-2","status":"publish","type":"post","link":"https:\/\/omathimatikos.gr\/?p=45255","title":{"rendered":"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1"},"content":{"rendered":"<p><!--more--><\/p>\n<blockquote>\n<h3>\u039d\u03ad\u03b1 \u03c0\u03bd\u03bf\u03ae \u03c3\u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b3\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c6\u03ad\u03c1\u03bd\u03bf\u03c5\u03bd \u03bf\u03b9 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf\u03b9 \u03bc\u03ae\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b1\u03c4\u03b1 \u03b7 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03c7\u03c1\u03bf\u03bd\u03b9\u03ac 2020-21.<\/h3>\n<\/blockquote>\n<p>&nbsp;<\/p>\n<p>\u03a3\u03c4\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf \u03c4\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ac\u03c4\u03c9\u03bd \u03c3\u03c4\u03b1\u00a0<strong>\u03b4\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac<\/strong>\u00a0\u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u00a0<strong>\u03b3\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1<\/strong>\u00a0\u03c4\u03b7\u03c2 \u03c7\u03ce\u03c1\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03b1\u03c1\u03b1\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03bf\u03c1\u03b3\u03b1\u03bd\u03ce\u03c3\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03ce\u03c1\u03b5\u03c2 \u03ae \u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf \u03b4\u03b9\u03b4\u03b1\u03c3\u03ba\u03b1\u03bb\u03af\u03b1\u03c2 \u03c4\u03c9\u03bd \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03ae \u03c4\u03c9\u03bd \u03a6\u03b9\u03bb\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd, \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03ad\u03b1\u00a0<strong>\u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong>: \u03b5\u03b8\u03b5\u03bb\u03bf\u03bd\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2, \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03c2, \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2, \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, \u03ba\u03b1\u03c4\u03b1\u03c0\u03bf\u03bb\u03ad\u03bc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd, \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03a4\u03b1 \u039d\u03ad\u03b1.<\/p>\n<p>\u0395\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u00ab\u03b6\u03ce\u03bd\u03b5\u03c2\u00bb<\/p>\n<p>\u0397 \u03c6\u03b9\u03bb\u03bf\u03c3\u03bf\u03c6\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae: \u03c0\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03bc\u03bf\u03c1\u03c6\u03c9\u03bc\u03ad\u03bd\u03bf \u03c0\u03b1\u03b9\u03b4\u03af, \u03c7\u03c4\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b1\u00a0<a href=\"https:\/\/www.ipaidia.gr\/tags\/tag\/sxoleia\" rel=\"tag\"><strong>\u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1<\/strong><\/a>\u00a0\u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1\u03bd \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf \u03c0\u03bf\u03bb\u03af\u03c4\u03b7. \u0395\u03c4\u03c3\u03b9, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03bf\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03c4\u03af\u03c1\u03b9\u03bf \u03c4\u03bf\u03c5 \u0391\u03bc\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03bf\u03c5, \u03bd\u03ad\u03b5\u03c2 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u00ab\u03b6\u03ce\u03bd\u03b5\u03c2\u00bb \u03b5\u03b9\u03c3\u03ac\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bc\u03ac\u03bb\u03b9\u03c3\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03bc\u03b1\u03b8\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03ae \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2.<\/p>\n<p>\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b8\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03ac\u03b8\u03b5\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c2 \u03c0\u03bf\u03bb\u03af\u03c4\u03b7\u03c2.<\/p>\n<p>\u039a\u03b1\u03b9 \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ad\u03c2; \u03a0\u03ce\u03c2 \u03b3\u03b5\u03c6\u03c5\u03c1\u03ce\u03bd\u03bf\u03c5\u03bc\u03b5, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03bf \u03ba\u03b5\u03bd\u03cc \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b3\u03bd\u03ce\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03bc\u03b1\u03c2 \u03b6\u03c9\u03ae; \u03a4\u03b9 \u03c0\u03ac\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b5\u03b9 \u03b5\u03b8\u03b5\u03bb\u03bf\u03bd\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2, \u03c6\u03b9\u03bb\u03b1\u03bd\u03b8\u03c1\u03c9\u03c0\u03af\u03b1, \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03b3\u03b3\u03cd\u03b7, \u03b1\u03ba\u03c4\u03b9\u03b2\u03b9\u03c3\u03bc\u03cc\u03c2; \u03a0\u03bf\u03b9\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ad\u03c2 \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b5\u03b9\u03bb\u03bf\u03cd\u03bd \u03ad\u03bd\u03b1\u03bd \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03bf\u03c6\u03cd\u03b3\u03bf\u03c5\u03bc\u03b5; \u03a0\u03ce\u03c2 \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03bd \u03b5\u03b1\u03c5\u03c4\u03cc \u03bc\u03b1\u03c2;<\/p>\n<p>\u03a4\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ac \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b4\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b8\u03ce\u03c1\u03b9\u03bf \u03b3\u03b9\u03b1 \u03bf\u03bc\u03b1\u03b4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03cc\u03c4\u03b6\u03b5\u03ba\u03c4 \u03c3\u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03bd \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ac\u03c2. \u038c\u03c0\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc, \u03b8\u03b1 \u03b5\u03bd\u03c4\u03b1\u03c7\u03b8\u03bf\u03cd\u03bd \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03bf \u03b4\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b3\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03bf \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c3\u03c4\u03bf \u03bb\u03cd\u03ba\u03b5\u03b9\u03bf, \u03cc\u03c0\u03bf\u03c5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03b7 \u03cd\u03bb\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bb\u03b7\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b1 \u03c0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b9\u03b1.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false,"jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[16],"tags":[],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1 &#8211; \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/omathimatikos.gr\/?p=45255\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1 &#8211; \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3\" \/>\n<meta property=\"og:url\" content=\"https:\/\/omathimatikos.gr\/?p=45255\" \/>\n<meta property=\"og:site_name\" content=\"\u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/omathimatikos\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-01-20T12:38:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-01-20T06:40:00+00:00\" \/>\n<meta name=\"author\" content=\"...\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u03a3\u03c5\u03bd\u03c4\u03ac\u03c7\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc\" \/>\n\t<meta name=\"twitter:data1\" content=\"...\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/omathimatikos.gr\/?p=45255#article\",\"isPartOf\":{\"@id\":\"https:\/\/omathimatikos.gr\/?p=45255\"},\"author\":{\"name\":\"...\",\"@id\":\"https:\/\/omathimatikos.gr\/#\/schema\/person\/f06b5f15d628d878ee88431b07152cbe\"},\"headline\":\"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1\",\"datePublished\":\"2020-01-20T12:38:32+00:00\",\"dateModified\":\"2020-01-20T06:40:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/omathimatikos.gr\/?p=45255\"},\"wordCount\":3,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/omathimatikos.gr\/#organization\"},\"articleSection\":[\"\u0395\u039a\u03a0\u0391\u0399\u0394\u0395\u03a5\u03a4\u0399\u039a\u0391 \u039d\u0395\u0391\"],\"inLanguage\":\"el\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/omathimatikos.gr\/?p=45255#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/omathimatikos.gr\/?p=45255\",\"url\":\"https:\/\/omathimatikos.gr\/?p=45255\",\"name\":\"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1 &#8211; \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3\",\"isPartOf\":{\"@id\":\"https:\/\/omathimatikos.gr\/#website\"},\"datePublished\":\"2020-01-20T12:38:32+00:00\",\"dateModified\":\"2020-01-20T06:40:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/omathimatikos.gr\/?p=45255#breadcrumb\"},\"inLanguage\":\"el\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/omathimatikos.gr\/?p=45255\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/omathimatikos.gr\/?p=45255#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/omathimatikos.gr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/omathimatikos.gr\/#website\",\"url\":\"https:\/\/omathimatikos.gr\/\",\"name\":\"\u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3\",\"description\":\"\u039a\u03ce\u03c3\u03c4\u03b1\u03c2 \u039c\u03c0\u03bf\u03c5\u03c1\u03b1\u03b6\u03ac\u03bd\u03b1\u03c2\",\"publisher\":{\"@id\":\"https:\/\/omathimatikos.gr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/omathimatikos.gr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"el\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/omathimatikos.gr\/#organization\",\"name\":\"\u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3\",\"url\":\"https:\/\/omathimatikos.gr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"el\",\"@id\":\"https:\/\/omathimatikos.gr\/#\/schema\/logo\/image\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\" \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3\"},\"image\":{\"@id\":\"https:\/\/omathimatikos.gr\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/omathimatikos\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/omathimatikos.gr\/#\/schema\/person\/f06b5f15d628d878ee88431b07152cbe\",\"name\":\"...\",\"sameAs\":[\"http:\/\/omathimatikos.gr\"],\"url\":\"https:\/\/omathimatikos.gr\/?author=2\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1 &#8211; \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/omathimatikos.gr\/?p=45255","og_locale":"el_GR","og_type":"article","og_title":"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1 &#8211; \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3","og_url":"https:\/\/omathimatikos.gr\/?p=45255","og_site_name":"\u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3","article_publisher":"https:\/\/www.facebook.com\/omathimatikos\/","article_published_time":"2020-01-20T12:38:32+00:00","article_modified_time":"2020-01-20T06:40:00+00:00","author":"...","twitter_card":"summary_large_image","twitter_misc":{"\u03a3\u03c5\u03bd\u03c4\u03ac\u03c7\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc":"..."},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/omathimatikos.gr\/?p=45255#article","isPartOf":{"@id":"https:\/\/omathimatikos.gr\/?p=45255"},"author":{"name":"...","@id":"https:\/\/omathimatikos.gr\/#\/schema\/person\/f06b5f15d628d878ee88431b07152cbe"},"headline":"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1","datePublished":"2020-01-20T12:38:32+00:00","dateModified":"2020-01-20T06:40:00+00:00","mainEntityOfPage":{"@id":"https:\/\/omathimatikos.gr\/?p=45255"},"wordCount":3,"commentCount":0,"publisher":{"@id":"https:\/\/omathimatikos.gr\/#organization"},"articleSection":["\u0395\u039a\u03a0\u0391\u0399\u0394\u0395\u03a5\u03a4\u0399\u039a\u0391 \u039d\u0395\u0391"],"inLanguage":"el","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/omathimatikos.gr\/?p=45255#respond"]}]},{"@type":"WebPage","@id":"https:\/\/omathimatikos.gr\/?p=45255","url":"https:\/\/omathimatikos.gr\/?p=45255","name":"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1 &#8211; \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3","isPartOf":{"@id":"https:\/\/omathimatikos.gr\/#website"},"datePublished":"2020-01-20T12:38:32+00:00","dateModified":"2020-01-20T06:40:00+00:00","breadcrumb":{"@id":"https:\/\/omathimatikos.gr\/?p=45255#breadcrumb"},"inLanguage":"el","potentialAction":[{"@type":"ReadAction","target":["https:\/\/omathimatikos.gr\/?p=45255"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/omathimatikos.gr\/?p=45255#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/omathimatikos.gr\/"},{"@type":"ListItem","position":2,"name":"\u03a0\u03bf\u03b9\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u0393\u03c5\u03bc\u03bd\u03ac\u03c3\u03b9\u03b1"}]},{"@type":"WebSite","@id":"https:\/\/omathimatikos.gr\/#website","url":"https:\/\/omathimatikos.gr\/","name":"\u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3","description":"\u039a\u03ce\u03c3\u03c4\u03b1\u03c2 \u039c\u03c0\u03bf\u03c5\u03c1\u03b1\u03b6\u03ac\u03bd\u03b1\u03c2","publisher":{"@id":"https:\/\/omathimatikos.gr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/omathimatikos.gr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"el"},{"@type":"Organization","@id":"https:\/\/omathimatikos.gr\/#organization","name":"\u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3","url":"https:\/\/omathimatikos.gr\/","logo":{"@type":"ImageObject","inLanguage":"el","@id":"https:\/\/omathimatikos.gr\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":" \u039f \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0399\u039a\u039f\u03a3"},"image":{"@id":"https:\/\/omathimatikos.gr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/omathimatikos\/"]},{"@type":"Person","@id":"https:\/\/omathimatikos.gr\/#\/schema\/person\/f06b5f15d628d878ee88431b07152cbe","name":"...","sameAs":["http:\/\/omathimatikos.gr"],"url":"https:\/\/omathimatikos.gr\/?author=2"}]}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=\/wp\/v2\/posts\/45255"}],"collection":[{"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45255"}],"version-history":[{"count":1,"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=\/wp\/v2\/posts\/45255\/revisions"}],"predecessor-version":[{"id":45256,"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=\/wp\/v2\/posts\/45255\/revisions\/45256"}],"wp:attachment":[{"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/omathimatikos.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}