{"id":1721,"date":"2026-04-22T18:29:36","date_gmt":"2026-04-22T15:29:36","guid":{"rendered":"http:\/\/omathimatikos.gr\/ekete\/?p=1721"},"modified":"2026-05-08T09:30:06","modified_gmt":"2026-05-08T06:30:06","slug":"%ce%b5-%ce%ba-%ce%b5-%cf%84%ce%b5-%ce%b5%ce%ba%ce%b1%cf%84%ce%bf%ce%bd%cf%84%ce%ac%ce%b4%ce%b5%cf%82-%ce%bc%ce%b1%ce%b8%ce%b7%cf%84%ce%ad%cf%82-%cf%83%cf%84%ce%bf-%cf%80%ce%ac%cf%81%ce%ba%ce%bf","status":"publish","type":"post","link":"https:\/\/omathimatikos.gr\/ekete\/?p=1721","title":{"rendered":"\u0395.\u039a.\u0395.\u03a4\u0395.: \u0395\u03ba\u03b1\u03c4\u03bf\u03bd\u03c4\u03ac\u03b4\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c4\u03bf \u03a0\u03ac\u03c1\u03ba\u03bf \u0391\u03b3. \u039a\u03c9\u03bd\u03c3\u03c4\u03b1\u03bd\u03c4\u03af\u03bd\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03c4\u03bf 6\u03bf \u03a0\u03b1\u03bd\u03b5\u03bb\u03bb\u03ae\u03bd\u03b9\u03bf \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc 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\u0395\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7\u03c2 \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u039c\u03b1\u03b3\u03bd\u03b7\u03c3\u03af\u03b1\u03c2 \u03ba.<strong>\u00a0\u0392\u03b1\u03c3\u03b9\u03bb\u03b9\u03ba\u03ae \u03a0\u03b1\u03c0\u03b1\u03b3\u03b9\u03b1\u03bd\u03bd\u03b1\u03ba\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5<\/strong>\u00a0\u03ba\u03b1\u03b9 \u03c4\u03b7 \u0394\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u0394\u03b5\u03c5\u03c4\u03b5\u03c1\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03b1\u03c2 \u0395\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7\u03c2 \u039c\u03b1\u03b3\u03bd\u03b7\u03c3\u03af\u03b1\u03c2, \u03c5\u03c0\u03bf\u03b4\u03ad\u03c7\u03b8\u03b7\u03ba\u03b1\u03bd \u03b5\u03ba\u03b1\u03c4\u03bf\u03bd\u03c4\u03ac\u03b4\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b3\u03b9\u03bf\u03c1\u03c4\u03ae \u03c4\u03b7\u03c2 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\u03ba\u03c1\u03b9\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c3\u03ba\u03ad\u03c8\u03b7, \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b5\u03be\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bb\u03cd\u03c3\u03bf\u03c5\u03bd \u03c0\u03c1\u03c9\u03c4\u03cc\u03c4\u03c5\u03c0\u03bf\u03c5\u03c2 \u03b3\u03c1\u03af\u03c6\u03bf\u03c5\u03c2.<\/p>\n<p data-path-to-node=\"8\">\u038c\u03c0\u03c9\u03c2 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5\u03c4\u03ad\u03b4\u03c9\u03c3\u03b1\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c4\u03bf\u03c0\u03b9\u03ba\u03ac \u03bc\u03ad\u03c3\u03b1 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2, \u03c4\u03bf \u03c0\u03ac\u03c1\u03ba\u03bf 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\u03ad\u03be\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c3\u03c4\u03b5\u03bd\u03ac \u03cc\u03c1\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03b1\u03af\u03b8\u03bf\u03c5\u03c3\u03b1\u03c2, \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03ac\u03c2 \u03c4\u03b7\u03bd \u03bc\u03b5 \u03c4\u03bf \u03c0\u03b1\u03b9\u03c7\u03bd\u03af\u03b4\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1.<\/p>\n<p data-path-to-node=\"9\"><b data-path-to-node=\"9\" data-index-in-node=\"0\">\u039f \u03a0\u03c1\u03cc\u03b5\u03b4\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u0395.\u039a.\u0395.\u03a4\u0395., \u03ba. \u039a\u03c9\u03bd\u03c3\u03c4\u03b1\u03bd\u03c4\u03af\u03bd\u03bf\u03c2 \u039c\u03c0\u03bf\u03c5\u03c1\u03b1\u03b6\u03ac\u03bd\u03b1\u03c2<\/b>, \u03b4\u03ae\u03bb\u03c9\u03c3\u03b5 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac:\u00a0<i data-path-to-node=\"9\" data-index-in-node=\"71\">\u00ab\u0395\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03bc\u03b1\u03c2 \u03c7\u03b1\u03c1\u03ac \u03bd\u03b1 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03ae \u03ba\u03bf\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u0392\u03cc\u03bb\u03bf\u03c5 \u03bd\u03b1 \u03b1\u03b3\u03ba\u03b1\u03bb\u03b9\u03ac\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03ad\u03c4\u03bf\u03b9\u03bf \u03c0\u03ac\u03b8\u03bf\u03c2 \u03c4\u03bf \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb. \u0397 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae\u03c2 \u03b7\u03bc\u03ad\u03c1\u03b1\u03c2 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03b3\u03ba\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ad\u03c2 \u03bc\u03ac\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03bb\u03bb\u03b9\u03b5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03b1\u03b3\u03ac\u03c0\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2.\u00bb<\/i><\/p>\n<p data-path-to-node=\"10\">\u039f\u03b9 \u03b5\u03ba\u03b4\u03b7\u03bb\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03bf\u03bd \u0392\u03cc\u03bb\u03bf \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9:<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\"><b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\">\u03a0\u03b1\u03c1\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae 24 \u0391\u03c0\u03c1\u03b9\u03bb\u03af\u03bf\u03c5:<\/b>\u00a0\u03a4\u03bf \u00ab\u039a\u03c5\u03bd\u03ae\u03b3\u03b9 \u0398\u03b7\u03c3\u03b1\u03c5\u03c1\u03bf\u03cd\u00bb \u03b3\u03b9\u03b1 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u039b\u03c5\u03ba\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03b9 \u0395\u03a0\u0391\u039b \u03c3\u03c4\u03bf \u03a0\u03ac\u03c1\u03ba\u03bf \u0391\u03b3\u03af\u03bf\u03c5 \u039a\u03c9\u03bd\u03c3\u03c4\u03b1\u03bd\u03c4\u03af\u03bd\u03bf\u03c5 (09:00 \u2013 11:00).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\"><b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\">\u03a4\u03b5\u03c4\u03ac\u03c1\u03c4\u03b7 29 \u0391\u03c0\u03c1\u03b9\u03bb\u03af\u03bf\u03c5:<\/b>\u00a0\u0397 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae \u03b5\u03ba\u03b4\u03ae\u03bb\u03c9\u03c3\u03b7 \u03c3\u03c4\u03bf \u03a0\u03bd\u03b5\u03c5\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u039a\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u0399.\u039c. \u0394\u03b7\u03bc\u03b7\u03c4\u03c1\u03b9\u03ac\u03b4\u03bf\u03c2, \u03bc\u03b5 \u03bf\u03bc\u03b9\u03bb\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc \u03ba\u03bf\u03c1\u03c5\u03c6\u03b1\u03af\u03bf\u03c5\u03c2 \u03b1\u03ba\u03b1\u03b4\u03b7\u03bc\u03b1\u03ca\u03ba\u03bf\u03cd\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03bf \u03ba. \u0391\u03b8\u03b1\u03bd\u03ac\u03c3\u03b9\u03bf\u03c2 \u03a6\u03c9\u03ba\u03ac\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03ba. \u03a7\u03c1\u03ae\u03c3\u03c4\u03bf\u03c2 \u039a\u03af\u03c4\u03c4\u03b1\u03c2, \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b2\u03c1\u03b1\u03b2\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"12\">\u03a4\u03bf \u0395.\u039a.\u0395.\u03a4\u0395. \u03b5\u03c5\u03c7\u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03b8\u03b5\u03c1\u03bc\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2, \u03c4\u03bf\u03c5\u03c2 \u03b5\u03b8\u03b5\u03bb\u03bf\u03bd\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03ad\u03b2\u03b1\u03bb\u03b1\u03bd \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1.<\/p>\n<p data-path-to-node=\"12\">\u03a4\u03bf \u0394\u03b9\u03bf\u03b9\u03ba\u03b7\u03c4\u03b9\u03ba\u03cc \u03a3\u03c5\u03bc\u03b2\u03bf\u03cd\u03bb\u03b9\u03bf \u03c4\u03bf\u03c5 \u0395.\u039a.\u0395.\u03a4\u0395. \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03c5\u03c7\u03b1\u03c1\u03b9\u03c3\u03c4\u03af\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd\u00a0<strong>\u0388\u03bd\u03c9\u03c3\u03b7 \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u0395\u03c6\u03bf\u03c0\u03bb\u03b9\u03c3\u03c4\u03ce\u03bd<\/strong>\u00a0\u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c1\u03ba\u03ae \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03ae \u03c4\u03b7\u03c2, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03bf\u03bd \u03b8\u03b5\u03bc\u03ad\u03bb\u03b9\u03bf \u03bb\u03af\u03b8\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03bf\u03c5 \u03a0\u03b1\u03bd\u03b5\u03bb\u03bb\u03ae\u03bd\u03b9\u03bf\u03c5 \u039c\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb.<\/p>\n<p data-path-to-node=\"13\"><b data-path-to-node=\"13\" data-index-in-node=\"0\">\u0393\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2:<\/b>\u00a0\u0399\u03c3\u03c4\u03bf\u03c3\u03b5\u03bb\u03af\u03b4\u03b1:\u00a0<a class=\"ng-star-inserted\" href=\"http:\/\/ekete.gr\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahcKEwimnv2r34GUAxUAAAAAHQAAAAAQMg\">ekete.gr<\/a>\u00a0&amp;\u00a0<a class=\"ng-star-inserted\" href=\"http:\/\/omathimatikos.gr\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahcKEwimnv2r34GUAxUAAAAAHQAAAAAQMw\">omathimatikos.gr<\/a><\/p>\n<p data-path-to-node=\"13\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-59571\" src=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=350%2C263&amp;ssl=1\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" srcset=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=350%2C263&amp;ssl=1 350w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=523%2C392&amp;ssl=1 523w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=150%2C113&amp;ssl=1 150w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?resize=320%2C240&amp;ssl=1 320w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?w=2016&amp;ssl=1 2016w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?w=1400&amp;ssl=1 1400w\" alt=\"\" width=\"350\" height=\"263\" data-attachment-id=\"59571\" data-permalink=\"https:\/\/omathimatikos.gr\/?attachment_id=59571\" data-orig-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?fit=2016%2C1512&amp;ssl=1\" data-orig-size=\"2016,1512\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"21\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?fit=350%2C263&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/21.jpeg?fit=523%2C392&amp;ssl=1\" data-recalc-dims=\"1\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-59570\" src=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=350%2C263&amp;ssl=1\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" srcset=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=350%2C263&amp;ssl=1 350w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=523%2C392&amp;ssl=1 523w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=150%2C113&amp;ssl=1 150w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?resize=320%2C240&amp;ssl=1 320w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?w=2016&amp;ssl=1 2016w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/20.jpeg?w=1400&amp;ssl=1 1400w\" alt=\"\" width=\"350\" height=\"263\" data-attachment-id=\"59570\" 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data-recalc-dims=\"1\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-59569\" src=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=350%2C263&amp;ssl=1\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" srcset=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=350%2C263&amp;ssl=1 350w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=523%2C392&amp;ssl=1 523w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=150%2C113&amp;ssl=1 150w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?resize=320%2C240&amp;ssl=1 320w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?w=2016&amp;ssl=1 2016w, https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?w=1400&amp;ssl=1 1400w\" alt=\"\" width=\"350\" height=\"263\" data-attachment-id=\"59569\" data-permalink=\"https:\/\/omathimatikos.gr\/?attachment_id=59569\" data-orig-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2026\/04\/18.jpeg?fit=2016%2C1512&amp;ssl=1\" data-orig-size=\"2016,1512\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"18\" data-image-description=\"\" 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