{"id":1462,"date":"2026-03-09T09:10:42","date_gmt":"2026-03-09T06:10:42","guid":{"rendered":"https:\/\/omathimatikos.gr\/ekete\/?page_id=1462"},"modified":"2026-03-29T09:50:35","modified_gmt":"2026-03-29T06:50:35","slug":"6%ce%bf-%cf%80%ce%b1%ce%bd%ce%b5%ce%bb%ce%bb%ce%ae%ce%bd%ce%b9%ce%bf-%cf%86%ce%b5%cf%83%cf%84%ce%b9%ce%b2%ce%ac%ce%bb","status":"publish","type":"page","link":"https:\/\/omathimatikos.gr\/ekete\/?page_id=1462","title":{"rendered":"6\u03bf \u03a0\u03b1\u03bd\u03b5\u03bb\u03bb\u03ae\u03bd\u03b9\u03bf \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-attachment-id=\"1559\" data-permalink=\"https:\/\/omathimatikos.gr\/ekete\/?attachment_id=1559\" data-orig-file=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d.png\" data-orig-size=\"1920,1080\" 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;0&quot;}\" data-image-title=\"\u0391\u03c6\u03af\u03c3\u03b1 \u039d\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-300x169.png\" data-large-file=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-1024x576.png\" src=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-1024x576.png\" alt=\"\" class=\"wp-image-1559\" srcset=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-1024x576.png 1024w, https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-300x169.png 300w, https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-768x432.png 768w, https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d-1536x864.png 1536w, https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/\u0391\u03c6\u03af\u03c3\u03b1-\u039d.png 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-black-color has-pale-cyan-blue-background-color has-text-color has-background has-link-color has-medium-font-size wp-elements-cce46d022f83d4cf9fe72a4cd835c3f6 wp-block-paragraph\"><strong>6\u03bf \u03a0\u03b1\u03bd\u03b5\u03bb\u03bb\u03ae\u03bd\u03b9\u03bf \u039c\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03cc \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color has-medium-font-size wp-elements-eeb4ca80e605950fcc1df9aeb1a3cd06 wp-block-paragraph\"><strong>\u03a4\u03b1 \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u0395\u03af\u03bd\u03b1\u03b9 \u03a0\u03b1\u03bd\u03c4\u03bf\u03cd<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u0397 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb \u03b5\u03af\u03bd\u03b1\u03b9 \u0394\u03a9\u03a1\u0395\u0391\u039d!<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color has-small-font-size wp-elements-900d4571ad39d4881feaf0bea68757d3 wp-block-paragraph\"><strong style=\"color: var(--wp--preset--color--black); font-size: var(--wp--preset--font-size--medium);\">&nbsp;\u03a4\u03bf \u03c6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb \u03b4\u03b9\u03bf\u03c1\u03b3\u03b1\u03bd\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf \u00ab\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03cc \u039a\u03ad\u03bd\u03c4\u03c1\u03bf \u0395\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03a4\u03b5\u03c7\u03bd\u03ce\u03bd \u2013 Hellenic Center of Sciences and Arts\u00bb (E.K.E.TE.) <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03c3\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5:<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-fdd0831485add8a900059189c83c66d7 wp-block-paragraph\">\u03a0\u03b5\u03c1\u03b9\u03c6\u03b5\u03c1\u03b5\u03b9\u03b1\u03ba\u03ae \u0394\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u0395\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7 \u0398\u03b5\u03c3\u03c3\u03b1\u03bb\u03af\u03b1\u03c2 <\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-b7363921e7ddc49cfd6a87992fdc2538 wp-block-paragraph\">\u0394\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03a0\u03c1\u03c9\u03c4\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03b1\u03c2 \u0395\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7\u03c2 \u039a\u03b1\u03c1\u03b4\u03af\u03c4\u03c3\u03b1\u03c2 <\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-b37c22144f5a5eb3e88ae5d07ea83bbe wp-block-paragraph\">\u0394\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 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\u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7\u03c2 \u03c4\u03bf\u03c5&nbsp;e-class \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 &nbsp;eduspace \u03c4\u03bf\u03c5&nbsp;\u03a5\u03c0\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03bf\u03c5 \u03a0\u03b1\u03b9\u03b4\u03b5\u03af\u03b1\u03c2<\/p>\n\n\n\n<p class=\"has-text-align-center has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-elements-0dea7edf0e41aba307c8efc53843ae6b wp-block-paragraph\" style=\"font-size:22px\"><strong><a href=\"http:\/\/omathimatikos.gr\/ekete\/?p=1551\" target=\"_blank\" rel=\"noreferrer noopener\">\u0394\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-black-color has-pale-cyan-blue-background-color has-text-color has-background has-link-color wp-elements-566b773de440b0a73b3ac2227d9d0948\" style=\"font-size:22px\"><a href=\"https:\/\/www.youtube.com\/watch?v=EAtwftm_4Ko&amp;list=PLzr21r4id6IJaHPokXozH4ebUgUw0iH-C\" target=\"_blank\" rel=\"noreferrer noopener\">\u0394\u03c1\u03ce\u03bc\u03b5\u03bd\u03b1 \u03c4\u03bf\u03c5 6\u03bf\u03c5 \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb<\/a> <\/h2>\n\n\n\n<p class=\"has-text-align-center has-black-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color has-small-font-size wp-elements-380c92bc4b68c5aae09da10fbdc1d9d8 wp-block-paragraph\">\u03a4\u03bf \u03c6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb &#8220;<strong>\u03a4\u03b5\u03bb\u03b5\u03af \u03c5\u03c0\u03cc \u03c4\u03b7\u03bd \u0391\u03b9\u03b3\u03af\u03b4\u03b1 \u03c4\u03bf\u03c5 \u03a5\u03c0\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03bf\u03c5 \u03a0\u03b1\u03b9\u03b4\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u0398\u03c1\u03b7\u03c3\u03ba\u03b5\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd<\/strong>&#8221; (\u0391. \u03a0. 26802\/\u0393\u03944)<\/p>\n\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"1024\" data-attachment-id=\"1562\" data-permalink=\"https:\/\/omathimatikos.gr\/ekete\/?attachment_id=1562\" data-orig-file=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/6o-\u03c0\u03b1\u03bd\u03b5\u03bb\u03bbh\u03bd\u03b9\u03bf-\u03bc\u03b1\u03b8\u03b7\u03c4\u03b9\u03bao-\u03c6\u03b5\u03c3\u03c4i\u03b2\u03b1\u03bb-\u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03c9\u03bd-3.png\" data-orig-size=\"832,2368\" data-comments-opened=\"1\" 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data-medium-file=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/6o-\u03c0\u03b1\u03bd\u03b5\u03bb\u03bbh\u03bd\u03b9\u03bf-\u03bc\u03b1\u03b8\u03b7\u03c4\u03b9\u03bao-\u03c6\u03b5\u03c3\u03c4i\u03b2\u03b1\u03bb-\u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03c9\u03bd-3-105x300.png\" data-large-file=\"https:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/6o-\u03c0\u03b1\u03bd\u03b5\u03bb\u03bbh\u03bd\u03b9\u03bf-\u03bc\u03b1\u03b8\u03b7\u03c4\u03b9\u03bao-\u03c6\u03b5\u03c3\u03c4i\u03b2\u03b1\u03bb-\u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03c9\u03bd-3-360x1024.png\" src=\"http:\/\/omathimatikos.gr\/ekete\/wp-content\/uploads\/2026\/03\/6o-\u03c0\u03b1\u03bd\u03b5\u03bb\u03bbh\u03bd\u03b9\u03bf-\u03bc\u03b1\u03b8\u03b7\u03c4\u03b9\u03bao-\u03c6\u03b5\u03c3\u03c4i\u03b2\u03b1\u03bb-\u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03c9\u03bd-3-360x1024.png\" alt=\"\" class=\"wp-image-1562\" 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