{"id":37067,"date":"2025-03-31T14:57:33","date_gmt":"2025-03-31T12:57:33","guid":{"rendered":"https:\/\/kallithea.gr\/?p=37067"},"modified":"2025-04-02T11:12:20","modified_gmt":"2025-04-02T09:12:20","slug":"17%ce%bf-%ce%bc%ce%b1%ce%b8%ce%b7%cf%84%ce%b9%ce%ba%cf%8c-%cf%86%ce%b5%cf%83%cf%84%ce%b9%ce%b2%ce%ac%ce%bb-%ce%b4%ce%ae%ce%bc%ce%bf%cf%85-%ce%ba%ce%b1%ce%bb%ce%bb%ce%b9%ce%b8%ce%ad%ce%b1%cf%82","status":"publish","type":"post","link":"https:\/\/kallithea.gr\/?p=37067","title":{"rendered":"17\u03bf \u039c\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03cc \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb \u0394\u03ae\u03bc\u03bf\u03c5 \u039a\u03b1\u03bb\u03bb\u03b9\u03b8\u03ad\u03b1\u03c2"},"content":{"rendered":"<p><span style=\"font-size: 120%;\">\u039c\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03c4\u03bf 17\u03bf \u039c\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03cc \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb \u03c4\u03bf\u03c5 \u0394\u03ae\u03bc\u03bf\u03c5 \u039a\u03b1\u03bb\u03bb\u03b9\u03b8\u03ad\u03b1\u03c2, \u03ad\u03bd\u03b1 \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03cc \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03b3\u03ba\u03b1\u03bb\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c4\u03b1\u03bb\u03ad\u03bd\u03c4\u03bf \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bc\u03b1\u03c2!<\/span><\/p>\n<p><span style=\"font-size: 120%;\">\u0393\u03b9\u03b1 4 \u03b5\u03b2\u03b4\u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf\u03b9 \u03b1\u03c0\u03cc 2.000 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u2013\u0394\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd, \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03c9\u03bd-\u039b\u03c5\u03ba\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03a3\u03b9\u03b2\u03b9\u03c4\u03b1\u03bd\u03b9\u03b4\u03b5\u03af\u03bf\u03c5 \u03a3\u03c7\u03bf\u03bb\u03ae\u03c2- \u03bc\u03b5 85 \u03bc\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03ac \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 18 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03ba\u03b1\u03c4\u03cc\u03c1\u03b8\u03c9\u03c3\u03b1\u03bd \u03bc\u03b5 \u03c4\u03bf \u03c4\u03b1\u03bb\u03ad\u03bd\u03c4\u03bf \u03c4\u03bf\u03c5\u03c2, \u03c4\u03b7\u03bd \u03ad\u03bc\u03c0\u03bd\u03b5\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03bb\u03bb\u03b9\u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b5\u03be\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03bd\u03b1 \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03b7\u03b8\u03ad\u03c2 \u03ba\u03bf\u03b9\u03bd\u03cc \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/span><\/p>\n<p><span style=\"font-size: 120%;\">\u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c7\u03bf\u03c1\u03cc, \u03c4\u03bf \u03b8\u03ad\u03b1\u03c4\u03c1\u03bf, \u03c4\u03b7 \u03bc\u03bf\u03c5\u03c3\u03b9\u03ba\u03ae, \u03c4\u03b7\u03bd \u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b6\u03c9\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ae, \u03bc\u03b5 \u03c4\u03b7 \u03b6\u03c9\u03bd\u03c4\u03ac\u03bd\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03ac\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ad\u03b4\u03c9\u03c3\u03b1\u03bd \u03bc\u03b9\u03b1 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ae \u03b4\u03b9\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb.<\/span><\/p>\n<p><span style=\"font-size: 120%;\">\u03a3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c5\u03c0\u03ae\u03c1\u03be\u03b5 \u03b7 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03ae 210 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b1\u03c6\u03b9\u03ad\u03c1\u03c9\u03c3\u03b1\u03bd \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1\u03c2, \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c4\u03b7\u03c1\u03af\u03be\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2, \u03c4\u03b7\u03c2 \u0388\u03bd\u03c9\u03c3\u03b7\u03c2 \u0393\u03bf\u03bd\u03ad\u03c9\u03bd \u03ba\u03b1\u03b9 \u039a\u03b7\u03b4\u03b5\u03bc\u03cc\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03b1\u03bd\u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c4\u03b7 \u03c5\u03c0\u03ae\u03c1\u03be\u03b5 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac \u03c4\u03c9\u03bd 13 \u03b5\u03b8\u03b5\u03bb\u03bf\u03bd\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u03a3\u03cd\u03bb\u03bb\u03bf\u03b3\u03bf \u03a0\u0395\u0396\u039f \u03c3\u03c4\u03b7\u03bd \u03ac\u03c1\u03c4\u03b9\u03b1 \u03b4\u03b9\u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03c3\u03b7.<\/span><\/p>\n<p><span style=\"font-size: 120%;\">\u0391\u03be\u03af\u03b6\u03b5\u03b9 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd, \u03ad\u03bd\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03b5\u03c5\u03c7\u03b1\u03c1\u03b9\u03c3\u03c4\u03ce \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03cc\u03bb\u03bf\u03c5\u03c2 \u03cc\u03c3\u03bf\u03b9 \u03c3\u03c5\u03bd\u03ad\u03b2\u03b1\u03bb\u03b1\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03b8\u03b5\u03c3\u03bc\u03bf\u03cd, \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03ce\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b5\u03bc\u03c0\u03bb\u03bf\u03c5\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9! \u0397 \u03bd\u03b5\u03bf\u03bb\u03b1\u03af\u03b1 \u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ad\u03bb\u03bb\u03bf\u03bd \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b1\u03b9\u03b4\u03b5\u03af\u03b1 \u03c7\u03c4\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03ba\u03cc\u03c3\u03bc\u03bf.<\/span><\/p>\n<p><span style=\"font-size: 120%;\">\u03a1\u03b1\u03bd\u03c4\u03b5\u03b2\u03bf\u03cd \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03bc\u03b5 \u03b1\u03ba\u03cc\u03bc\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03ba\u03c0\u03bb\u03ae\u03be\u03b5\u03b9\u03c2!<\/span><\/p>\n<div class=\"row\"  id=\"row-1072096828\">\n\n\t<div id=\"col-1659423485\" class=\"col medium-4 small-12 large-4\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1011737817\">\n\t\t<a class=\"\" href=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_1.jpg\"  >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"850\" height=\"411\" src=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_1.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_1.jpg 850w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_1-800x387.jpg 800w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_1-768x371.jpg 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1011737817 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1360344871\" class=\"col medium-4 small-12 large-4\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1829829721\">\n\t\t<a class=\"\" href=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_11.jpg\"  >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"850\" height=\"527\" src=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_11.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_11.jpg 850w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_11-645x400.jpg 645w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_11-768x476.jpg 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1829829721 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1577020603\" class=\"col medium-4 small-12 large-4\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1393392637\">\n\t\t<a class=\"\" href=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_6.jpg\"  >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"850\" height=\"368\" src=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_6.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_6.jpg 850w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_6-800x346.jpg 800w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_6-768x332.jpg 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1393392637 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-981031220\" class=\"col medium-4 small-12 large-4\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1563103642\">\n\t\t<a class=\"\" href=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_10.jpg\"  >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"850\" height=\"567\" src=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_10.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_10.jpg 850w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_10-600x400.jpg 600w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_10-768x512.jpg 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1563103642 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1774632357\" class=\"col medium-4 small-12 large-4\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1180409787\">\n\t\t<a class=\"\" href=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_9.jpg\"  >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"850\" height=\"567\" src=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_9.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_9.jpg 850w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_9-600x400.jpg 600w, https:\/\/kallithea.gr\/wp-content\/uploads\/2025\/03\/math_festival2025_9-768x512.jpg 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1180409787 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-309601398\" class=\"col medium-4 small-12 large-4\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_804126418\">\n\t\t<a class=\"\" 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