{"id":1380,"date":"2024-09-17T04:13:20","date_gmt":"2024-09-17T04:13:20","guid":{"rendered":"https:\/\/gbelentzas.sites.sch.gr\/?p=1380"},"modified":"2024-09-18T07:40:52","modified_gmt":"2024-09-18T07:40:52","slug":"%ce%b1-7-4-%ce%b1%cf%80%ce%b1%ce%bb%ce%bf%ce%b9%cf%86%ce%ae-%cf%80%ce%b1%cf%81%ce%b5%ce%bd%ce%b8%ce%ad%cf%83%ce%b5%cf%89%ce%bd","status":"publish","type":"post","link":"https:\/\/gbelentzas.sites.sch.gr\/?p=1380","title":{"rendered":"\u0391.7.4 \u0391\u03c0\u03b1\u03bb\u03bf\u03b9\u03c6\u03ae \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd"},"content":{"rendered":"

<\/i> \u039c\u03b5\u03b8\u03bf\u03b4\u03bf\u03bb\u03bf\u03b3\u03af\u03b1<\/i><\/b><\/span><\/h4>\n

\u03a3\u03c4\u03b9\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c3\u03c5\u03c7\u03bd\u03ac \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03bf\u03cd\u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ba\u03bb\u03b5\u03af\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03b1 +<\/b> \u03ae –<\/b>. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03cd\u03b3\u03bf\u03c5\u03bc\u03b5 \u03bb\u03ac\u03b8\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2.<\/p>\n

\u0391\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03a0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5 \u03a0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf + \u03ae \u03a7\u03c9\u03c1\u03af\u03c2 \u03a0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf<\/b><\/p>\n

\u038c\u03c4\u03b1\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c4\u03bf +<\/b> (\u03ae \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf), \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1 \u03c4\u03c9\u03bd \u03cc\u03c1\u03c9\u03bd<\/b> \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae. \u0391\u03c0\u03bb\u03ac \u03b1\u03c0\u03b1\u03bb\u03b5\u03af\u03c6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9.<\/p>\n

\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/strong><\/em><\/span> (+5) + (-7) =+5-7=-2<\/p>\n

\u0397 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 +5 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2 \u03c4\u03bf + (\u03c0\u03b1\u03c1\u03cc\u03bb\u03bf \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c4\u03bf \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5), \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7. \u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03bd\u03b1 \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u00a0\u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03af\u03c0\u03bf\u03c4\u03b1.\u00a0<\/em><\/p>\n

\u0391\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03a0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5 \u03a0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf –<\/b><\/p>\n

\u038c\u03c4\u03b1\u03bd \u03bc\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2 \u03c4\u03bf –<\/strong>, \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03b1\u03bb\u03b5\u03af\u03c8\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03c4\u03bf –<\/strong> \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b3\u03c1\u03ac\u03c8\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03bd \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc\u03c2, \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2, \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03b1.<\/p>\n

\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/strong><\/em><\/span> (+5) – (-7) =+5+7=12<\/p>\n

\u0397 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 +5 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2 \u03c4\u03bf + (\u03c0\u03b1\u03c1\u03cc\u03bb\u03bf \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c4\u03bf \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5), \u03cc\u03bc\u03c9\u03c2 \u03b7 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03bf – . \u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03bd\u03b1 \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u00a0\u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03c3\u03c4\u03bf -7.\u00a0<\/em><\/p>\n

 <\/p>\n

\u0398\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bc\u03b5 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b9\u03bf \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.\u00a0<\/strong><\/p>\n

<\/div>\n
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: <\/strong><\/em><\/span>\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \"(5 - 3 + 8) + (-4 + 6 - 2)\"<\/div>\n
    \n
  • \u0392\u03ae\u03bc\u03b1 1:<\/strong> \u0391\u03c0\u03b1\u03bb\u03bf\u03b9\u03c6\u03ae \u00a0\u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd<\/li>\n<\/ul>\n
    \u038c\u03c0\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03b9\u03bd, \u03b7 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u00a0\"(5 - 3 + 8)\" \u00a0\u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1:<\/div>\n
    \n

      <\/span>   <\/span>\"\[5 - 3 + 8\]\"<\/p>\n<\/div>\n

    <\/div>\n
    \u0397 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u00a0\"(-4 + 6 - 2)\" \u00a0\u03ad\u03c7\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2 \u03c4\u03bf +, \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b1\u03c6\u03b1\u03b9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1:<\/div>\n
    \n

      <\/span>   <\/span>\"\[-4 + 6 - 2\]\"<\/p>\n<\/div>\n

    <\/div>\n
    \u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9:<\/div>\n
    \n

      <\/span>   <\/span>\"\[5 - 3 + 8 - 4 + 6 - 2\]\"<\/p>\n<\/div>\n

      \n
    • \u0392\u03ae\u03bc\u03b1 2:<\/strong> \u039f\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03cc\u03c1\u03c9\u03bd<\/li>\n<\/ul>\n
      \u0391\u03c2 \u03bf\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03ce\u03c1\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b6\u03af \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b6\u03af. \u0391\u03c5\u03c4\u03cc \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c0\u03b9\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03bf\u03c5\u03c2 \u00a0\u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ac \u03bb\u03ac\u03b8\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03cc\u03c1\u03c9\u03bd.<\/div>\n
      \u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9:<\/div>\n
      \n

        <\/span>   <\/span>\"\[5 + 8 + 6 -3 - 4 - 2\]\"<\/p>\n<\/div>\n

        \n
      • \u0392\u03ae\u03bc\u03b1 3:<\/strong> \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03cc\u03c1\u03c9\u03bd<\/li>\n<\/ul>\n
        \u03a4\u03ce\u03c1\u03b1, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ac:<\/div>\n
          \n
        • \n
            \n
          • \u0398\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03cc\u03c1\u03bf\u03b9: \"5 + 8 + 6 = 19\"<\/li>\n
          • \u0391\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03af \u03cc\u03c1\u03bf\u03b9: \"-3 - 4 - 2 = -9\"<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
            \n
            \u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9:<\/div>\n
            \n

              <\/span>   <\/span>\"\[19-9=10\]\"<\/p>\n<\/div>\n<\/div>\n

            <\/div>\n
            \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: <\/strong><\/em><\/span>\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \"(5 + 2 - 7 + 1) - (2 - 6 - 2) - 1\"
            \n<\/strong><\/em><\/span><\/div>\n
            <\/div>\n
            \n
              \n
            • \u0392\u03ae\u03bc\u03b1 1:<\/strong> \u0391\u03c0\u03b1\u03bb\u03bf\u03b9\u03c6\u03ae \u00a0\u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd<\/li>\n<\/ul>\n
              \u0397 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u00a0\"(5 + 2 - 7 + 1)\" \u00a0\u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2 (\u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf +), \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03b1\u03c6\u03b1\u03b9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae:<\/div>\n
              <\/div>\n
              \n

                <\/span>   <\/span>\"\[5 + 2 - 7 + 1\]\"<\/p>\n<\/div>\n

              <\/div>\n

              \u0397 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7 \u00a0\"(2 - 6 - 2)\" \u00a0\u03ad\u03c7\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c4\u03b7\u03c2 \u03ad\u03bd\u03b1 -, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03cc\u03c4\u03b1\u03bd \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03b9\u03c1\u03bf\u03cd\u03bc\u03b5, \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1 \u03c4\u03c9\u03bd \u03cc\u03c1\u03c9\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bd\u03b8\u03b5\u03c3\u03b7:<\/p>\n

              <\/div>\n
              \n

                <\/span>   <\/span>\"\[-(2 - 6 - 2) = -2 + 6 + 2\]\"<\/p>\n<\/div>\n

              <\/div>\n
              \u03a4\u03ce\u03c1\u03b1, \u03b7 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9:<\/div>\n
              \n

              \n

                <\/span>   <\/span>\"\[5 + 2 - 7 + 1 - 2 + 6 + 2 - 1\]\"<\/p>\n<\/p>\n

                \n
              • \u0392\u03ae\u03bc\u03b1 2:<\/strong> \u039f\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03cc\u03c1\u03c9\u03bd<\/li>\n<\/ul>\n
                \u039f\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 \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 \u03c0\u03b9\u03bf \u03bf\u03c1\u03b3\u03b1\u03bd\u03c9\u03bc\u03ad\u03bd\u03b1:<\/div>\n
                <\/div>\n
                  \n
                • \n
                    \n
                  • \n
                      \n
                    • \u0398\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03cc\u03c1\u03bf\u03b9: \"5 + 2 + 1 + 6 + 2\"<\/li>\n
                    • \u0391\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03af \u03cc\u03c1\u03bf\u03b9: \"-7 - 2 - 1\"<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                      \n
                        \n
                      • \u0392\u03ae\u03bc\u03b1 3:<\/strong> \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03cc\u03c1\u03c9\u03bd<\/li>\n<\/ul>\n<\/div>\n
                          \n
                        • \n
                            \n
                          • \u03a0\u03c1\u03ce\u03c4\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2: \"5 + 2 + 1 + 6 + 2 = 16\"<\/li>\n
                          • \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2: \u00a0 \"-7 - 2 - 1 = -10\"<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                            \u0397 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9:<\/div>\n
                            \n

                              <\/span>   <\/span>\"\[16 -10 =6\]\"<\/p>\n<\/div>\n<\/div>\n<\/div>\n

                            \n
                            \n<\/div>\n
                            \n

                            <\/i> <\/i>Let’s Practise<\/b><\/span><\/h4>\n<\/div>\n
                            \n
                            \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd:<\/div>\n

                            \u03b1. \"(3 + 5 - 7) + (-4 + 6 - 2)=\"<\/p>\n

                            \u03b2. \"(8 - 3 + 2) - (5 - 4 + 7)=\"<\/p>\n

                            \u03b3. \"(-6 + 9 - 3) + (4 - 8 + 7)=\"<\/p>\n

                            \u03b4. \"(10 - 5 + 6) - (-3 + 2 - 7)=\"<\/p>\n

                            \u03b5. \u00a0\"(7 - 4 + 8) + (-5 + 3 - 9) - (2 - 6 + 4)=\"<\/p>\n

                            \u03c3\u03c4. \"(-8 + 5 - 3) - (6 - 2 + 9) + (-7 + 4 - 1)=\"<\/p>\n

                            \u03b6. \"(12 - 5 + 9) - (8 - 3 + 6) + (-4 + 2 - 7)=\"<\/p>\n

                            \u03b7. \"(5 + 3 - 2) - (-4 + 8 - 7) + (6 - 9 + 1)=\"<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                            \u039c\u03b5\u03b8\u03bf\u03b4\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03a3\u03c4\u03b9\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c3\u03c5\u03c7\u03bd\u03ac \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03bf\u03cd\u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ba\u03bb\u03b5\u03af\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03b1 + \u03ae –. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03cd\u03b3\u03bf\u03c5\u03bc\u03b5 \u03bb\u03ac\u03b8\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2. \u0391\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03a0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5 \u03a0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf + \u03ae \u03a7\u03c9\u03c1\u03af\u03c2 \u03a0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-1380","post","type-post","status-publish","format-standard","hentry","category-7----"],"featured_image_src":null,"author_info":{"display_name":"admin","author_link":"https:\/\/gbelentzas.sites.sch.gr\/?author=1"},"yoast_head":"\n\u0391.7.4 \u0391\u03c0\u03b1\u03bb\u03bf\u03b9\u03c6\u03ae \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd - 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