{"id":1411,"date":"2024-09-19T10:00:19","date_gmt":"2024-09-19T10:00:19","guid":{"rendered":"https:\/\/gbelentzas.sites.sch.gr\/?p=1411"},"modified":"2025-09-28T16:21:53","modified_gmt":"2025-09-28T16:21:53","slug":"a-2-5-%cf%80%ce%bf%ce%bb%ce%bb%ce%b1%cf%80%ce%bb%ce%b1%cf%83%ce%b9%ce%b1%cf%83%ce%bc%cf%8c%cf%82-%ce%ba%ce%bb%ce%b1%cf%83%ce%bc%ce%ac%cf%84%cf%89%ce%bd","status":"publish","type":"post","link":"https:\/\/gbelentzas.sites.sch.gr\/?p=1411","title":{"rendered":"\u0391.7.5 \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03c1\u03b7\u03c4\u03ce\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd"},"content":{"rendered":"

\u039f \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ae<\/b><\/h3>\n

\u039f \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03c0\u03c1\u03ac\u03be\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ac\u03bc\u03b5 \u03c0\u03bf\u03bb\u03cd \u03c3\u03c5\u03c7\u03bd\u03ac. \u03a3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03bf\u03bd \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c9\u03c2 \u00ab\u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c3\u03b7\u00bb.<\/p>\n

\u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \"<span class="s1">3 \cdot 2 = 2 + 2 + 2 = 6\"<\/span><\/p>\n

\u038c\u03bc\u03c9\u03c2, \u03c4\u03b9 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03bc\u03c0\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c0\u03b1\u03b9\u03c7\u03bd\u03af\u03b4\u03b9 \u03bf\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03af \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af; \u0397 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ae<\/b><\/span> \u03bc\u03ac\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03bd\u03b1 \u03c4\u03bf \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1.<\/p>\n

\n

\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 1:<\/span>\u00a0 <\/b><\/span><\/em>\"3 \cdot 2\"<\/p>\n

\u03a3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u00ab3 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03c4\u03bf +2\u00bb.<\/p>\n

\u03a3\u03c4\u03b7\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b1\u03c3\u03c4\u03b5 3 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac, \u03ba\u03ac\u03b8\u03b5 \u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03c4\u03ac 2:<\/p>\n

\"0 \to 2 \to 4 \to 6\"<\/p>\n

\u0386\u03c1\u03b1 \"3 \cdot 2 = +6\"<\/p>\n

\n

\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 2: <\/b><\/span><\/em>\"3 \cdot (-2)\"<\/p>\n

\u03a3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u00ab3 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03c4\u03bf -2\u00bb.<\/p>\n

\u039e\u03b5\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf 0, \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b1\u03c3\u03c4\u03b5 3 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac, \u03ba\u03ac\u03b8\u03b5 \u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03c4\u03ac 2:<\/p>\n

\"0 \to -2 \to -4 \to -6\"<\/p>\n

\u0386\u03c1\u03b1 \"3 \cdot (-2) = -6\"<\/p>\n

\n

\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 3: <\/b><\/span><\/em>\"(-3) \cdot 2\"<\/p>\n

\u0395\u03b4\u03ce \u03c4\u03bf -3 \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03bf \u03c4\u03bf\u03c5 \"3 \cdot 2\".<\/p>\n

\u0391\u03c6\u03bf\u03cd \"3 \cdot 2 = +6\", \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03cc \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9: \"(-3) \cdot 2 = -6\"<\/p>\n

\ud83d\udc49 \u0386\u03bb\u03bb\u03bf\u03c2 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03bd\u03b1 \u03c4\u03bf \u03b4\u03bf\u03cd\u03bc\u03b5: \u03ba\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 3 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd 2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7<\/b><\/span>, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac.<\/p>\n

\n

\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 4: <\/b><\/span><\/em><\/span>\"(-3) \cdot (-2)\"<\/p>\n

\u039e\u03b5\u03ba\u03b9\u03bd\u03ac\u03bc\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf \"3 \cdot (-2) = -6\".<\/p>\n

\u03a4\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u00ab\u03c0\u03ac\u03c1\u03b5 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03bf\u00bb:<\/p>\n

$(-3) \\cdot (-2) = +6<\/p>\n

\u039f\u03b9 \u039a\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03c4\u03c9\u03bd \u03a0\u03c1\u03bf\u03c3\u03ae\u03bc\u03c9\u03bd: \u0391\u03c0\u03b1\u03bd\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b9\u03c2 \u0392\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u0395\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/h3>\n

<\/i> \u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9\u03c2 \u0398\u03b5\u03c9\u03c1\u03af\u03b1\u03c2<\/i><\/b><\/span><\/h4>\n

\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c1\u03b7\u03c4\u03bf\u03cd\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2, \u03b1\u03c1\u03ba\u03b5\u03af \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b1\u03c0\u03bb\u03bf\u03cd\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1.<\/p>\n

    \n
  • \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b4\u03cd\u03bf \u03bf\u03bc\u03cc\u03c3\u03b7\u03bc\u03bf\u03c5\u03c2<\/b> \u03c1\u03b7\u03c4\u03bf\u03cd\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2, \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u00ab+<\/b>\u00bb.<\/em><\/span><\/li>\n<\/ul>\n

    + \u00b7 + = +<\/code>\u00a0 \u03ae - \u00b7 - = +<\/code><\/p>\n

      \n
    • \u00a0<\/b>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b4\u03cd\u03bf \u03b5\u03c4\u03b5\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf\u03c5\u03c2<\/b> \u03c1\u03b7\u03c4\u03bf\u03cd\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2, \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u00ab–<\/b>\u00bb.<\/span><\/em><\/li>\n<\/ul>\n

      + \u00b7 - = -<\/code> \u03ae \u00a0- \u00b7 + = -<\/code><\/p>\n

        \n
      • \u03a3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7: \u0391\u03bd \u03ad\u03c3\u03c4\u03c9 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7\u03b4\u03ad\u03bd, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b9\u03c3\u03bf\u03cd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bc\u03b7\u03b4\u03ad\u03bd.<\/span><\/em><\/li>\n<\/ul>\n

        \u0393\u03b9\u03b1\u03c4\u03af \u03c4\u03bf \u0393\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u0394\u03cd\u03bf \u0391\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u0395\u03af\u03bd\u03b1\u03b9 \u0398\u03b5\u03c4\u03b9\u03ba\u03cc;<\/h3>\n

        \u038a\u03c3\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c1\u03c9\u03c4\u03b9\u03ad\u03c3\u03b1\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03bf \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b4\u03cd\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03b4\u03af\u03bd\u03b5\u03b9 \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1. \u038c\u03c4\u03b1\u03bd \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5, \u03c3\u03c4\u03b7\u03bd \u03bf\u03c5\u03c3\u03af\u03b1 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c3\u03b7 \u03ae \u03bc\u03b9\u03b1 \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7.<\/p>\n

          \n
        • \u0391\u03bd \"3 \times (-2) = -6\", \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u00ab\u03c4\u03c1\u03b5\u03b9\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 2\u00bb.<\/li>\n
        • \u0391\u03bd \u03cc\u03bc\u03c9\u03c2 \"(-3) \times (-2)\", \u03c4\u03cc\u03c4\u03b5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u00ab\u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c6\u03bf\u03c1\u03ce\u03bd\u00bb. \u0394\u03b7\u03bb\u03b1\u03b4\u03ae \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03bf \u03c4\u03bf\u03c5 \"3 \times (-2)\".<\/li>\n<\/ul>\n

          \u0395\u03c6\u03cc\u03c3\u03bf\u03bd \"3 \times (-2) = -6\", \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03cc \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 +6.<\/p>\n

          \u0393\u03b9\u2019 \u03b1\u03c5\u03c4\u03cc:<\/p>\n

          \"(-3) \times (-2) = +6\"<\/p>\n

          \u0391\u03c5\u03c4\u03ae \u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03bc\u03b1\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af \u03bf \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1\u03c2 - \u00b7 - = +<\/code> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae\u03c2.<\/p>\n

          \u03a0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u0393\u03af\u03bd\u03bf\u03c5\u03bd \u038c\u03bb\u03b1 \u03a0\u03b9\u03bf \u039e\u03b5\u03ba\u03ac\u03b8\u03b1\u03c1\u03b1<\/h3>\n

          \u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03ac\u03be\u03b7 \u03bc\u03ad\u03c3\u03b1 \u03b1\u03c0\u03cc \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03b1\u03c0\u03bb\u03ac \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1.<\/p>\n

            \n
          1. \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 1: \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b5\u03c4\u03b5\u03c1\u03cc\u03c3\u03b7\u03bc\u03c9\u03bd<\/b> (-1,4)\u00b7 5 = -(1,4\u00b75) = -7<\/code> (\u039f\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c4\u03b5\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf\u03b9, \u03ac\u03c1\u03b1 \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc).<\/li>\n
          2. \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 2: \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03bf\u03bc\u03cc\u03c3\u03b7\u03bc\u03c9\u03bd<\/b> (-10) \u00b7 (-0,7) = +(10 \u00b7 0,7) = +7<\/code> (\u039f\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03bc\u03cc\u03c3\u03b7\u03bc\u03bf\u03b9, \u03ac\u03c1\u03b1 \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc).<\/li>\n<\/ol>\n

            \u03a3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 & \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03a0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u0398\u03c5\u03bc\u03ac\u03c3\u03b1\u03b9<\/h3>\n

            \u039f \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03bc\u03b1\u03c2 \u03b5\u03c5\u03ba\u03bf\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2.<\/p>\n

              \n
            • \u0391\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03b1\u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1<\/span><\/em>:<\/b> \u03b1 \u00b7 \u03b2 = \u03b2 \u00b7 \u03b1<\/code> (\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c4\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd).<\/li>\n
            • \u03a0\u03c1\u03bf\u03c3\u03b5\u03c4\u03b1\u03b9\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1:<\/b><\/span><\/em> \u03b1 \u00b7 (\u03b2 \u00b7 \u03b3) = (\u03b1 \u00b7 \u03b2) \u00b7 \u03b3<\/code> (\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03bf\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03bc\u03b1\u03c2 \u03b2\u03bf\u03bb\u03b5\u03cd\u03b5\u03b9).<\/li>\n
            • \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1:<\/b><\/em><\/span> 1 \u00b7 \u03b1 = \u03b1 \u00b7 1 = \u03b1<\/code> (\u039f\u03c0\u03bf\u03b9\u03bf\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03bc\u03b5 \u03c4\u03bf 1, \u03b4\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03b5\u03b1\u03c5\u03c4\u03cc \u03c4\u03bf\u03c5).<\/li>\n
            • \u0395\u03c0\u03b9\u03bc\u03b5\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1:<\/b><\/em><\/span> \u03b1 \u00b7 (\u03b2 + \u03b3) = \u03b1 \u00b7 \u03b2 + \u03b1 \u00b7 \u03b3<\/code> \u03ba\u03b1\u03b9 \u03b1 \u00b7 (\u03b2 - \u03b3) = \u03b1 \u00b7 \u03b2 - \u03b1 \u00b7 \u03b3<\/code>.<\/li>\n
            • \u0391\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af:<\/b><\/em><\/span> \u03b1 \u00b7 \u03b2 = 1<\/code> (\u03cc\u03c0\u03bf\u03c5 \u03b1, \u03b2 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03b9 \u03c4\u03bf\u03c5 \u03bc\u03b7\u03b4\u03b5\u03bd\u03cc\u03c2). \u0394\u03cd\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03b9 \u03b1\u03bd \u03c4\u03bf \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 1. \u03a3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03bc\u03b7\u03b4\u03ad\u03bd \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf.<\/strong><\/li>\n
            • \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03bc\u03b7\u03b4\u03ad\u03bd:<\/b> <\/em><\/span>0 \u00b7 \u03b1 = \u03b1 \u00b7 0 = 0<\/code> (\u039f\u03c0\u03bf\u03b9\u03bf\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03bc\u03b5 \u03c4\u03bf 0, \u03b4\u03af\u03bd\u03b5\u03b9 0).<\/li>\n<\/ul>\n

              \u03a3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b3\u03c1\u03b1\u03c6\u03ae:<\/b><\/em><\/span> \u03a4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u00ab \u00b7 \u00bb \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03b1\u03c1\u03b1\u03bb\u03b5\u03af\u03c0\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03ae \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03bf \u03b1 \u00b7 \u03b2<\/code> \u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03b1\u03b2<\/code> \u03ba\u03b1\u03b9 \u03c4\u03bf 2 \u00b7 (x+y)<\/code> \u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 2(x+y)<\/code>.<\/p>\n

              <\/i> Let’s Practise<\/em><\/i><\/b><\/span><\/h4>\n

              \u03a4\u03ce\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c3\u03bf\u03c5 \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03bf\u03c5.<\/p>\n

              1. \u03a3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b5 \u03c4\u03b1 \u03ba\u03b5\u03bd\u03ac:<\/b><\/p>\n

              (\u03b1)<\/strong> \u03a4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03c4\u03bf\u03c5 \u03b3\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b4\u03cd\u03bf \u03bf\u03bc\u03cc\u03c3\u03b7\u03bc\u03c9\u03bd \u03c1\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 …………………… .<\/p>\n

              (\u03b2)<\/strong> \u03a4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03c4\u03bf\u03c5 \u03b3\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b4\u03cd\u03bf \u03b5\u03c4\u03b5\u03c1\u03cc\u03c3\u03b7\u03bc\u03c9\u03bd \u03c1\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 …………………… .<\/p>\n

              (\u03b3)<\/strong> \u0388\u03bd\u03b1\u03c2 \u03c1\u03b7\u03c4\u03cc\u03c2 \u03cc\u03c4\u03b1\u03bd \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf 1 \u03b4\u03b5\u03bd …………………… .<\/p>\n

              (\u03b4)<\/strong> \u03a4\u03bf \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03af\u03c3\u03bf \u03bc\u03b5 …………………… .<\/p>\n

              2. \u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1:<\/b><\/p>\n

              (\u03b1)<\/strong> (-1)(-1)<\/code><\/p>\n

              (\u03b2)<\/strong> -3(-10)<\/code><\/p>\n

              (\u03b3)<\/strong> -1,2(-0,5)<\/code><\/p>\n

              (\u03b4)<\/strong> 0(-10589)<\/code><\/p>\n

              \n

              3. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1<\/strong><\/p>\n

              \u03b1.\u00a0<\/strong> \"5 \cdot 3 =\"<\/div>\n
              \u03b2.<\/strong>\u00a0 \"-4 \cdot 7 =\"<\/div>\n
              \u03b3.<\/strong>\u00a0 \"6 \cdot (-2) =\"<\/div>\n
              \u03b4.<\/strong>\u00a0 \"-3 \cdot (-5) =\"<\/div>\n
              \u03b5.<\/strong>\u00a0 \"8 \cdot 4 =\"<\/div>\n
              \u03c3\u03c4.<\/strong>\u00a0 \"-7 \cdot (-6) =\"<\/div>\n
              \u03b6.<\/strong>\u00a0 \u00a0\"2 \cdot (-9) =\"<\/div>\n
              \u03b7.\u00a0<\/strong> \"-10 \cdot 2 =\"<\/div>\n
              \u03b8.<\/strong>\u00a0 \u00a0\"9 \cdot 5 =\"<\/div>\n
              \u03b9.\u00a0<\/strong> \"-8 \cdot (-3) =\"<\/div>\n<\/div>\n
              \n

              4. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1<\/strong><\/p>\n

              \u03b1.\u00a0<\/strong> \"7 \cdot (-4) =\"<\/div>\n
              \u03b2.\u00a0<\/strong> \"-6 \cdot 5 =\"<\/div>\n
              \u03b3.<\/strong>\u00a0 \"3 \cdot (-7) =\"<\/div>\n
              \u03b4.<\/strong>\u00a0 \"-9 \cdot ( -2) =\"<\/div>\n
              \u03b5.\u00a0<\/strong> \"4 \cdot 6 =\"<\/div>\n
              \u03c3\u03c4.<\/strong> \"-5 \cdot (-8) =\"<\/div>\n
              \u03b6.<\/strong>\u00a0 \"10 \cdot (-3) =\"<\/div>\n
              \u03b7.<\/strong>\u00a0 \"-2 \cdot 9 =\"<\/div>\n
              \u03b8.\u00a0<\/strong> \"1 \cdot (-10) =\"<\/div>\n
              \u03b9.<\/strong>\u00a0 \"-7 \cdot 8 =\"<\/div>\n<\/div>\n
              \n
              <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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