{"id":7907,"date":"2026-03-24T07:53:19","date_gmt":"2026-03-24T04:53:19","guid":{"rendered":"https:\/\/sde-mesol.ait.sch.gr\/?p=7907"},"modified":"2026-04-09T06:12:50","modified_gmt":"2026-04-09T03:12:50","slug":"%cf%80-314-%cf%8c%cf%84%ce%b1%ce%bd-%cf%84%ce%b1-%ce%bc%ce%b1%ce%b8%ce%b7%ce%bc%ce%b1%cf%84%ce%b9%ce%ba%ce%ac-%cf%83%cf%85%ce%bd%ce%b1%ce%bd%cf%84%ce%bf%cf%8d%ce%bd-%cf%84%ce%b7%ce%bd","status":"publish","type":"post","link":"https:\/\/sde-mesol.ait.sch.gr\/?p=7907","title":{"rendered":"\u03c0 = 3,14\u2026 \u03cc\u03c4\u03b1\u03bd \u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1!"},"content":{"rendered":"\n<p>\u039c\u03b5 \u03b1\u03c6\u03bf\u03c1\u03bc\u03ae \u03c4\u03b7\u03bd \u03a0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b1 \u0397\u03bc\u03ad\u03c1\u03b1 \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd (14 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\u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1!#\u03a3\u0394\u0395 #\u039c\u03b5\u03c3\u03bf\u03bb\u03cc\u03b3\u03b3\u03b9 #\u03a0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b1\u0397\u03bc\u03ad\u03c1\u03b1\u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd #PiDay #200\u03a7\u03c1\u03cc\u03bd\u03b9\u03b1 #\u0388\u03be\u03bf\u03b4\u03bf\u03c2\u039c\u03b5\u03c3\u03bf\u03bb\u03bf\u03b3\u03b3\u03af\u03bf\u03c5<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-20_15-04-57-504-400x600.jpg\" alt=\"\" class=\"wp-image-7908\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-20_15-04-57-504-400x600.jpg 400w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-20_15-04-57-504-200x300.jpg 200w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-20_15-04-57-504-768x1152.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-20_15-04-57-504.jpg 1024w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"369\" data-id=\"7909\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-02-35-863-800x369.jpg\" alt=\"\" class=\"wp-image-7909\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-02-35-863-800x369.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-02-35-863-300x138.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-02-35-863-768x354.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-02-35-863-1536x708.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-02-35-863.jpg 1600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"369\" data-id=\"7911\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-109-800x369.jpg\" alt=\"\" class=\"wp-image-7911\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-109-800x369.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-109-300x138.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-109-768x354.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-109-1536x708.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-109.jpg 1600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"369\" data-id=\"7913\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-122-800x369.jpg\" alt=\"\" class=\"wp-image-7913\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-122-800x369.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-122-300x138.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-122-768x354.jpg 768w, 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https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-132-768x354.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-132-1536x708.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-132.jpg 1600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"369\" data-id=\"7922\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-844-800x369.jpg\" alt=\"\" class=\"wp-image-7922\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-844-800x369.jpg 800w, 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srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-856-800x369.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-856-300x138.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-856-768x354.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-856-1536x708.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-856.jpg 1600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"369\" data-id=\"7916\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-867-800x369.jpg\" alt=\"\" class=\"wp-image-7916\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-867-800x369.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-867-300x138.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-867-768x354.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-867-1536x708.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-03-33-867.jpg 1600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" 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src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-05-29-007-800x369.jpg\" alt=\"\" class=\"wp-image-7912\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-05-29-007-800x369.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-05-29-007-300x138.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-05-29-007-768x354.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-05-29-007-1536x708.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1_Viber_2026-03-23_19-05-29-007.jpg 1600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" 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src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7638-800x600.jpg\" alt=\"\" class=\"wp-image-7933\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7638-800x600.jpg 800w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7638-300x225.jpg 300w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7638-768x576.jpg 768w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7638-1536x1152.jpg 1536w, https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7638.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7934\" src=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7637-800x600.jpg\" alt=\"\" class=\"wp-image-7934\" srcset=\"https:\/\/sde-mesol.ait.sch.gr\/wp-content\/uploads\/2026\/03\/7637-800x600.jpg 800w, 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