{"id":15516,"date":"2026-06-11T09:36:41","date_gmt":"2026-06-11T06:36:41","guid":{"rendered":"https:\/\/ekf.gr\/?p=15516"},"modified":"2026-06-11T09:36:41","modified_gmt":"2026-06-11T06:36:41","slug":"3%ce%bf%cf%82-%cf%80%ce%b1%ce%bd%ce%b5%ce%bb%ce%bb%ce%ae%ce%bd%ce%b9%ce%bf%cf%82-%ce%b3%cf%81%ce%b1%cf%80%cf%84%cf%8c%cf%82-%ce%b1%cf%83%ce%b5%cf%80-2027-%cf%80%ce%ac%ce%bc%ce%b5-%ce%bd%ce%b1-%ce%b3","status":"publish","type":"post","link":"https:\/\/ekf.gr\/en\/3%ce%bf%cf%82-%cf%80%ce%b1%ce%bd%ce%b5%ce%bb%ce%bb%ce%ae%ce%bd%ce%b9%ce%bf%cf%82-%ce%b3%cf%81%ce%b1%cf%80%cf%84%cf%8c%cf%82-%ce%b1%cf%83%ce%b5%cf%80-2027-%cf%80%ce%ac%ce%bc%ce%b5-%ce%bd%ce%b1-%ce%b3\/","title":{"rendered":"3\u03bf\u03c2 \u03a0\u03b1\u03bd\u03b5\u03bb\u03bb\u03ae\u03bd\u03b9\u03bf\u03c2 \u0393\u03c1\u03b1\u03c0\u03c4\u03cc\u03c2 \u0391\u03a3\u0395\u03a0 2027: \u03a0\u03ac\u03bc\u03b5 \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 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\u03b5\u03be\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7. \u039c\u03ac\u03b8\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2, \u03b2\u03c1\u03b5\u03c2 \u03c4\u03bf \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03ba\u03b1\u03b9 \u03ba\u03ad\u03c1\u03b4\u03b9\u03c3\u03b5 \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03c3\u03c4\u03b9\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/strong><\/div>\n<div><\/div>\n<h5 class=\"clr\"><\/h5>\n<div class=\"itemFullText\">\n<p>\u039f\u03b9 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03b5\u03b9\u03c1\u03ce\u03bd (number series) \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03ac \u03c3\u03b5 \u03c4\u03b5\u03c3\u03c4 \u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b9\u03ba\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd. \u03a3\u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2, \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03bb\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c4\u03b5\u03c3\u03c3\u03ac\u03c1\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03ac\u03be\u03b5\u03c9\u03bd, \u03c1\u03b9\u03b6\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd.<\/p>\n<p>\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03c5\u03b8\u03bf\u03cd\u03bd \u03c3\u03b5 \u03b5\u03cd\u03bb\u03bf\u03b3\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03ba\u03c4\u03b5\u03bd\u03b5\u03af\u03c2 \u03b3\u03c1\u03b1\u03c0\u03c4\u03ad\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03bf\u03c5 \u03b1\u03c6\u03ae\u03bd\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1\u03c2.<\/p>\n<p>\u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03b2\u03b3\u03b5\u03b9 \u03b7 \u03b5\u03be\u03b5\u03c4\u03b1\u03c3\u03c4\u03ad\u03b1 \u03cd\u03bb\u03b7 \u03c4\u03bf\u03c5 3\u03bf\u03c5 \u03a0\u03b1\u03bd\u03b5\u03bb\u03bb\u03ae\u03bd\u03b9\u03bf\u03c5 \u0394\u03b9\u03b1\u03b3\u03c9\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd \u0391\u03a3\u0395\u03a0 (\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03bc\u03cc\u03bd\u03bf \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 2000 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03bd\u03ce\u03c3\u03b5\u03c9\u03bd \u03ae\u03b4\u03b7), \u03b8\u03b1 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03cc\u03bb\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u0391\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b7 \u0391\u03c1\u03c7\u03ae, \u03c0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03b5\u03af\u03c3\u03c4\u03b5 \u03ad\u03c4\u03bf\u03b9\u03bc\u03bf\u03b9 \u03b3\u03b9\u03b1 \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b5\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7.<\/p>\n<p>\u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b9\u03bf \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03b5\u03b9\u03c1\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03c3\u03c4\u03b1 \u03c4\u03b5\u03c3\u03c4 \u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b9\u03ba\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd.<\/p>\n<h3><strong>\u03a4\u03cd\u03c0\u03bf\u03c2 1: \u039f\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b5\u03c2 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b5\u03c2<\/strong><\/h3>\n<p>\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03b7\u03bd \u03c0\u03b9\u03bf \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ae \u03bc\u03bf\u03c1\u03c6\u03ae \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03b5\u03b9\u03c1\u03ce\u03bd. \u039a\u03b1\u03bb\u03b5\u03af\u03c3\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03bd \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\/\u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c3\u03b5 \u03b9\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1 4 \u03ad\u03c9\u03c2 8 \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03bf\u03c5 \u03b6\u03b7\u03c4\u03b7\u03b8\u03b5\u03af \u03bd\u03b1 \u03b2\u03c1\u03b5\u03b9\u03c2 \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1 \u03bc\u03af\u03b1\/\u03b4\u03cd\u03bf \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03bb\u03b5\u03af\u03c0\u03bf\u03c5\u03bd \u03ae \u03bc\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae \u03c0\u03bf\u03c5 \u03bb\u03b5\u03af\u03c0\u03b5\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac. \u03a0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03c4\u03cd\u03c0\u03bf\u03c5. \u03a0\u03c1\u03cc\u03c3\u03b5\u03be\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03af\u03b1 \u03c3\u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03c4\u03c9\u03bd \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03ac\u03b8\u03b5 \u03c3\u03b5\u03b9\u03c1\u03ac\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03bb\u03bb\u03b5\u03af\u03c0\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf\u03c5.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 1\u03bf<\/strong><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/sdfsf_65a02.jpg\" alt=\"sdfsf_65a02.jpg\" width=\"547\" height=\"117\" \/><\/p>\n<p>\u0391\u03c1\u03c7\u03b9\u03ba\u03ac, \u03ba\u03bf\u03b9\u03c4\u03ac\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2: 18-16= +2, 29-18=+11, 49-29=+20. \u03a4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5; \u038c\u03c4\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd 2 \u03ba\u03b1\u03b9 11 \u03b5\u03af\u03bd\u03b1\u03b9 9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd 11 \u03ba\u03b1\u03b9 20. \u039f\u03c0\u03cc\u03c4\u03b5, \u03b7 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 20+9=29 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03bd\u03bf\u03cd\u03bc\u03b5\u03c1\u03bf \u03c0\u03bf\u03c5 \u03bc\u03b1\u03c2 \u03bb\u03b5\u03af\u03c0\u03b5\u03b9 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 49+29=78.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 2\u03bf<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/Screenshot_2_051e8.jpg\" alt=\"Screenshot_2_051e8.jpg\" width=\"580\" height=\"104\" \/><\/p>\n<p>\u03a0\u03ac\u03bb\u03b9 \u03ba\u03bf\u03b9\u03c4\u03ac\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03c4\u03b7\u03c2 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1\u03c2. 11-4=+7, 25-11=+14 \u03ba\u03b1\u03b9 53-25=+28. \u03a4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5; \u038c\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af 2. \u039f\u03c0\u03cc\u03c4\u03b5 \u03b7 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 28\u03a72=56 \u03ba\u03b1\u03b9 \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03af\u03c3\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc: 53+56=109.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 3\u03bf<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/Screenshot_3_f9428.jpg\" alt=\"Screenshot_3_f9428.jpg\" width=\"586\" height=\"94\" \/><\/p>\n<p>\u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03c0\u03ac\u03bb\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd. 4-2=+2, 8-4=+4, 10-8=+2, 20-10=+10. \u03a4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5; \u038c\u03c4\u03b9 \u03be\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03b1\u03bc\u03b5 \u03bc\u03b5 \u03c4\u03bf \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 +2 \u03b1\u03bb\u03bb\u03ac \u03bc\u03b5\u03c4\u03ac \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 2 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2: 2+2=4, 4\u03a72=8, 8+2=10, 10\u03a72=20 \u03ba\u03b1\u03b9 \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c8\u03ac\u03c7\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 20+2=22.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 4\u03bf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/Screenshot_4_5b394.jpg\" alt=\"Screenshot_4_5b394.jpg\" width=\"582\" height=\"95\" \/><\/p>\n<p>\u038c\u03c0\u03c9\u03c2 \u03b5\u03af\u03b4\u03b1\u03bc\u03b5 \u03c3\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b5\u03c2 \u03ba\u03bf\u03b9\u03c4\u03ac\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03bc\u03bf\u03c4\u03af\u03b2\u03bf. 10-4=+6, 18-10=+8. \u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac 2 \u03bf\u03c0\u03cc\u03c4\u03b5 \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c8\u03ac\u03c7\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 18+10=28 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b9 28+12=40. \u0395\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c4\u03b7\u03ba\u03b5 \u03b7 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 5\u03bf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/Screenshot_5_343dc.jpg\" alt=\"Screenshot_5_343dc.jpg\" width=\"589\" height=\"101\" \/><\/p>\n<p>\u0395\u03b4\u03ce \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b1\u03bd\u03ac \u03b4\u03cd\u03bf \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1. \u038c\u03c4\u03b1\u03bd \u03bf\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b1\u03bd\u03ac \u03b2\u03ae\u03bc\u03b1 \u03b4\u03b5\u03bd \u03b2\u03b3\u03ac\u03b6\u03bf\u03c5\u03bd \u03bd\u03cc\u03b7\u03bc\u03b1, \u03ba\u03bf\u03b9\u03c4\u03ac\u03bc\u03b5 \u03b1\u03bd\u03ac \u03b4\u03cd\u03bf \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1. \u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03b5\u03be\u03ae\u03c2: 2-1=1, 1-1=0 \u03ba\u03b1\u03b9 3+1=4 \u03ba\u03b1\u03b9 4+1=5. \u03a4\u03ce\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c4\u03bf\u03c5 -1 \u03bf\u03c0\u03cc\u03c4\u03b5 0-1=-1 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bb\u03cd\u03c3\u03b7 \u03bc\u03b1\u03c2.<\/p>\n<h3><strong>\u03a4\u03cd\u03c0\u03bf\u03c2 2: 3\u03a73 \u03bc\u03ac\u03c4\u03c1\u03b9\u03be<\/strong><\/h3>\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03b4\u03bf\u03c5\u03bb\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03ae \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03b5\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7\u03c2 \u03b4\u03b5\u03bd \u03b5\u03c1\u03b3\u03ac\u03b6\u03b5\u03c3\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b3\u03ce\u03bd\u03b9\u03b1.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 1\u03bf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/Screenshot_6_6a675.jpg\" alt=\"Screenshot_6_6a675.jpg\" width=\"389\" height=\"161\" \/><\/p>\n<p>\u039f \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1\u03c2 \u03b5\u03b4\u03ce \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac +3 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03c3\u03c4\u03b7 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03b1\u03c0\u03cc 7 \u03c3\u03b5 10 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03b1\u03c0\u03cc 6 \u03c3\u03b5 9. \u039a\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bd\u03ac \u03c3\u03c4\u03ae\u03bb\u03b7 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 +2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03b1\u03c0\u03cc 6 \u03c0\u03c1\u03bf\u03c2 8 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc 7 \u03c3\u03b5 9. \u039f\u03c0\u03cc\u03c4\u03b5 \u03c4\u03bf \u03bd\u03bf\u03cd\u03bc\u03b5\u03c1\u03bf \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03c4\u03bf \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 4 \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03cd\u03bf \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2.<\/p>\n<p><strong>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 2\u03bf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dnews.gr\/images\/uploads\/2026\/06\/09\/Screenshot_7_376fa.jpg\" alt=\"Screenshot_7_376fa.jpg\" width=\"368\" height=\"170\" \/><\/p>\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03bf \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1\u03c2 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rel=\"noopener\">dnews.gr<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u039f\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03b5\u03b9\u03c1\u03ad\u03c2 \u03c3\u03c4\u03b1 \u03c4\u03b5\u03c3\u03c4 \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03ce\u03bd \u03c4\u03bf\u03c5 \u0391\u03a3\u0395\u03a0, \u03b4\u03b5\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf\u03bd \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03bf\u03c6\u03c5\u0390\u03b1, \u03b8\u03ad\u03bb\u03bf\u03c5\u03bd \u03bc\u03cc\u03bd\u03bf \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae, \u03c4\u03b7\u03bd&#8230;<\/p>","protected":false},"author":4,"featured_media":15304,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-15516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/posts\/15516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/comments?post=15516"}],"version-history":[{"count":2,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/posts\/15516\/revisions"}],"predecessor-version":[{"id":15518,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/posts\/15516\/revisions\/15518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/media\/15304"}],"wp:attachment":[{"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/media?parent=15516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/categories?post=15516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekf.gr\/en\/wp-json\/wp\/v2\/tags?post=15516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}