{"id":2201,"date":"2024-11-03T07:04:15","date_gmt":"2024-11-03T07:04:15","guid":{"rendered":"https:\/\/gbelentzas.sites.sch.gr\/?p=2201"},"modified":"2024-11-03T07:25:04","modified_gmt":"2024-11-03T07:25:04","slug":"1-5-%cf%84%ce%b5%cf%84%cf%81%ce%ac%ce%b3%cf%89%ce%bd%ce%bf-%ce%b4%ce%b9%ce%b1%cf%86%ce%bf%cf%81%ce%ac%cf%82","status":"publish","type":"post","link":"https:\/\/gbelentzas.sites.sch.gr\/?p=2201","title":{"rendered":"1.5 \u03a4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2"},"content":{"rendered":"\n\n\n<p class=\"has-pale-cyan-blue-background-color has-background wp-block-paragraph\"><strong><em>\u0395\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03b2\u03b9\u03b2\u03bb\u03af\u03bf\u03c5:<\/em><\/strong> <a href=\"http:\/\/ebooks.edu.gr\/ebooks\/v\/html\/8547\/2212\/Mathimatika_G-Gymnasiou_html-empl\/indexA1_5.html\" target=\"_blank\" rel=\"noopener\">1.5 \u03a4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b1\u03be\u03b9\u03bf\u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03c4\u03b7 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf <b>\u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/b>.&nbsp;<\/p>\n\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-3f7894f3-a5fe-4852-b439-980baf7e7e69\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #000080; \" id=\"ub-content-toggle-panel-block-8a1734f1-027b-4a17-addd-9da73c399a70\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #000080;\" aria-controls=\"ub-content-toggle-panel-0-3f7894f3-a5fe-4852-b439-980baf7e7e69\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-3f7894f3-a5fe-4852-b439-980baf7e7e69\" style=\"color: #ffffff; \"><strong><em><i class=\"fas fa-download\"><\/i>\u00a0<\/em><\/strong> \u03a4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-3f7894f3-a5fe-4852-b439-980baf7e7e69\">\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c4\u03c5\u03c0\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-71c27d9a65259a73f912146890a53049_l3.png\" height=\"22\" width=\"211\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[(\\alpha - \\beta)^2 = \\alpha^2 - 2\\alpha\\beta + \\beta^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-9191afc4-adcc-4248-80a7-b2d96c8231b9\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #cf2e2e; \" id=\"ub-content-toggle-panel-block-a701d85c-a234-45b0-860a-bf95999e153a\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #cf2e2e;\" aria-controls=\"ub-content-toggle-panel-0-9191afc4-adcc-4248-80a7-b2d96c8231b9\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-9191afc4-adcc-4248-80a7-b2d96c8231b9\" style=\"color: #ffffff; \">\u0391\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-9191afc4-adcc-4248-80a7-b2d96c8231b9\">\n\n<p class=\"wp-block-paragraph\">\u039e\u03b5\u03ba\u03b9\u03bd\u03ac\u03bc\u03b5 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ad\u03ba\u03c6\u03c1\u03b1\u03c3\u03b7:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-c8e6ec5a1ca200d1ba8829c101b91a2e_l3.png\" height=\"22\" width=\"228\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[(\\alpha - \\beta)^2 = (\\alpha - \\beta) \\cdot (\\alpha - \\beta)\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bc\u03b5\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1, \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-3a73109eca10e4f9aea372047bd1fd10_l3.png\" height=\"18\" width=\"236\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[= \\alpha \\cdot \\alpha - \\alpha \\cdot \\beta - \\beta \\cdot \\alpha + \\beta \\cdot \\beta\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c5\u03c4\u03cc \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 21px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-c98119eff7cb54f1c7e9ec26ea52db07_l3.png\" height=\"21\" width=\"174\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[= \\alpha^2 - \\alpha\\beta - \\alpha\\beta + \\beta^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03c0\u03cc\u03c4\u03b5, \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 21px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-18ca33c006d09c1efc42e376740392c0_l3.png\" height=\"21\" width=\"137\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[= \\alpha^2 - 2\\alpha\\beta + \\beta^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c4\u03c3\u03b9, \u03b1\u03c0\u03bf\u03b4\u03b5\u03af\u03be\u03b1\u03bc\u03b5 \u03cc\u03c4\u03b9:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-71c27d9a65259a73f912146890a53049_l3.png\" height=\"22\" width=\"211\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[(\\alpha - \\beta)^2 = \\alpha^2 - 2\\alpha\\beta + \\beta^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-c4d493b9-4e8f-44ab-bfcb-f6a1985d0aad\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-a6aedd50-9b8d-405a-bb02-7e56ccfe812a\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-c4d493b9-4e8f-44ab-bfcb-f6a1985d0aad\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-c4d493b9-4e8f-44ab-bfcb-f6a1985d0aad\" style=\"color: #0b6623; \">\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae <\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-c4d493b9-4e8f-44ab-bfcb-f6a1985d0aad\">\n\n<p class=\"wp-block-paragraph\">\u0398\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 (3x &#8211; 4y)^2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0392\u03ae\u03bc\u03b1 1<\/strong>: \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c7\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-3f1014b1e2cfdc6858df9c54a813c98d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha = 3x\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\"> \u03ba\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-c18704cd86adf2ea95cd4e354b9f98a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\beta = 4y\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"56\" style=\"vertical-align: -4px;\">.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0392\u03ae\u03bc\u03b1 2<\/strong>: \u0395\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-46fa845e35bae1d273278eca83bcc1a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(\\alpha - \\beta)^2 = \\alpha^2 - 2\\alpha\\beta - \\beta^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"211\" style=\"vertical-align: -5px;\"> \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b1 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-dc409b18c1ed275e303aee9b0b3443f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\"> \u03ba\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d6d2c1b8eb1eaecff765795210e0d402_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\beta\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"11\" style=\"vertical-align: -4px;\"> \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f5bc5b0380923d5125a43d07accb41ec_l3.png\" height=\"22\" width=\"344\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[(3x - 4y)^2 = (3x)^2 + 2 \\cdot (3x) \\cdot (4y) + (4y)^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0392\u03ae\u03bc\u03b1 3<\/strong>: \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03cc\u03c1\u03bf \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ac. \u0394\u03b7\u03bb\u03b1\u03b4\u03ae, <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-8f03e28eda729233f4e055b8fcccfd1c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(3x)^2 = 9x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"94\" style=\"vertical-align: -5px;\"><\/li>\n\n\n\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-df2c08638e8ca0972da1e7c6f29ba00f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot (3x) \\cdot (4y) = 2 \\cdot 3 \\cdot 4 \\cdot x \\cdot y = 24xy\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"297\" style=\"vertical-align: -5px;\"><\/li>\n\n\n\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-238f1128ee0295df81d292119eeb8cb9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(4y)^2 = 16y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"102\" style=\"vertical-align: -5px;\"><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0392\u03ae\u03bc\u03b1 4<\/strong>: \u03a3\u03c5\u03bd\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039a\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03b5\u03b9 \u03b7 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03b3\u03bc\u03ad\u03bd\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 22px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f3d67ce23f28284854d9de1b8db9a03f_l3.png\" height=\"22\" width=\"259\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[(3x - 4y)^2 = 9x^2 -24xy + 16y^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_651cbc19-04ec-4dbe-b4b0-13069240b8a4\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #ff6900; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p><em><strong><span style=\"color: #ff6600;\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 1<\/span><\/strong><\/em><\/p>\n<p>\u039d\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03b3\u03bc\u03b1\u03c4\u03b1:<\/p>\n<ol>\n<li><span style=\"font-size: revert;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-480d7c0d79b0bc73064d8c8a38d0d18b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#98;&#101;&#116;&#97;&#32;&#45;&#32;&#50;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"64\" style=\"vertical-align: -5px;\"\/><\/span><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-ae55c49fee88c50e03269888a7c7512e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#50;&#120;&#32;&#45;&#53;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"72\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-a4b8bc0ac29b751dd1026bcfbe0d9e8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#51;&#45;&#32;&#50;&#121;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"72\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-5ebf6a3da9a7949a3e56d8ca826dbbb7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#53;&#120;&#32;&#45;&#50;&#121;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"83\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-3ac4aa5ca364c3a2997eefadf002bc85_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#51;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#45;&#32;&#50;&#92;&#98;&#101;&#116;&#97;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"86\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-446361837fd362d5e646e466c56f1907_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#94;&#50;&#32;&#45;&#50;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"73\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-c03bad1bece576889429cb3fb05b0acf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#121;&#94;&#50;&#32;&#45;&#32;&#120;&#94;&#51;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"80\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-6d934c0e993deaee5c9bc5d1e027735e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#120;&#125;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#125;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"104\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-79c50f17d0ca3c81d9b696f8e69ce175_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#115;&#113;&#114;&#116;&#123;&#51;&#125;&#32;&#45;&#32;&#120;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"79\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-9d08ee07e8b57fc124eda4970948ef1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#50;&#120;&#94;&#50;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#125;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"98\" style=\"vertical-align: -5px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f5cbbcd76ca2fe193a0b55d5217651c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#94;&#50;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#125;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"89\" style=\"vertical-align: -5px;\"\/><\/li>\n<\/ol>\n\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-05bcb5117bd7e07c466cc59fa095af14 wp-block-paragraph\"><strong><em>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 2<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03b3\u03bc\u03b1\u03c4\u03b1:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-98c75a61eac952840edec71c0ced597d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#45;&#120;&#43;&#32;&#50;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"78\" style=\"vertical-align: -5px;\"\/><\/li>\n\n\n\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-18c47a756ced02774444a15791fe2659_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#45;&#50;&#120;&#32;&#43;&#51;&#121;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"97\" style=\"vertical-align: -5px;\"\/><\/li>\n\n\n\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-a57da42036cd170d75fb6eeb2981a866_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#45;&#120;&#45;&#32;&#50;&#121;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"88\" style=\"vertical-align: -5px;\"\/><\/li>\n\n\n\n<li> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-df18439f195175a49c4a2a60c632fa46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#45;&#50;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#45;&#32;&#51;&#92;&#98;&#101;&#116;&#97;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"100\" style=\"vertical-align: -5px;\"\/><\/li>\n\n\n\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-440512af210c3d2cf37d95e55963f2a6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#45;&#92;&#97;&#108;&#112;&#104;&#97;&#94;&#50;&#32;&#45;&#92;&#98;&#101;&#116;&#97;&#94;&#51;&#41;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"98\" style=\"vertical-align: -5px;\"\/><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_13a4427e-3a6c-4031-8a6c-804e662ec1e7\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #0693e3; margin-top: 2px; \"><\/div><\/div><\/div>\n\n<p><strong>\u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1:<\/strong> \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u0393 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5 (\u0394\u03b7\u03bc\u03ae\u03c4\u03c1\u03b9\u03bf\u03c2 \u0391\u03c1\u03b3\u03c5\u03c1\u03ac\u03ba\u03b7\u03c2 , \u03a0\u03b1\u03bd\u03b1\u03b3\u03b9\u03ce\u03c4\u03b7\u03c2 \u0392\u03bf\u03c5\u03c1\u03b3\u03ac\u03bd\u03b1\u03c2, \u039a\u03c9\u03bd\u03c3\u03c4\u03b1\u03bd\u03c4\u03af\u03bd\u03bf\u03c2 \u039c\u03b5\u03bd\u03c4\u03ae\u03c2, \u03a3\u03c4\u03b1\u03bc\u03b1\u03c4\u03bf\u03cd\u03bb\u03b1 \u03a4\u03c3\u03b9\u03ba\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5, \u039c\u03b9\u03c7\u03b1\u03ae\u03bb \u03a7\u03c1\u03c5\u03c3\u03bf\u03b2\u03ad\u03c1\u03b3\u03b7\u03c2 \u03a5.\u03a0\u0391\u0399.\u0398.)<\/p>\n<p style=\"text-align: center;\"><strong>Creative Commons \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd &#8211; \u039c\u03b7 \u0395\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ae \u03a7\u03c1\u03ae\u03c3\u03b7 &#8211; \u03a0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u0394\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae 4.0 \u0394\u03b9\u03b5\u03b8\u03bd\u03ad\u03c2<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1292\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/09\/creativecommons-150x141.png\" alt=\"\" width=\"150\" height=\"52\" srcset=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/09\/creativecommons-300x105.png 300w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/09\/creativecommons.png 403w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/p>\n\n<div class=\"wp-block-ub-social-share\" id=\"ub-social-share-7e90a6c2-2e86-4c8b-8375-c3fb616a1758\">\n\t\t\t<div class=\"social-share-icons align-icons-left orientation-icons-row\"><a aria-label=\"facebook-logo\" target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fgbelentzas.sites.sch.gr%2F%3Fp%3D2201&amp;title=1.5%20%CE%A4%CE%B5%CF%84%CF%81%CE%AC%CE%B3%CF%89%CE%BD%CE%BF%20%CE%B4%CE%B9%CE%B1%CF%86%CE%BF%CF%81%CE%AC%CF%82\" class=\"ub-social-share-facebook-container\" style=\"border-color: #1877f2; background-color: transparent; box-shadow: none; \">\n\t\t\t\t<span class=\"social-share-icon ub-social-share-facebook\" style=\"width: 30px; 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