γεωμετρία Tag

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«Το τετράγωνο της υποτεινούσης ορθογωνίου τριγώνου ισούται με το άθροισμα των τετραγώνων των δύο καθέτων αυτού πλευρών», λέει το «πυθαγόρειο θεώρημα» που έχει παιδέψει γενιές μαθητών. Ο Πυθαγόρας (572 – 500 π.Χ.) ήταν το πιο λαμπρό τέκνο της Σάμου. Θεωρείται ιδρυτής της αριθμητικής επιστήμης, ενώ...

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  • The mediocre teacher tells . The good teacher explains . The superior teacher demonstrates . The great teacher inspires .

    lecturesbureau: "The mediocre teacher tells .
The good teacher explains .
The superior teacher demonstrates .
The great teacher inspires ."
    169
    0
  • He who knows that enough is enough will always have enough .

    lecturesbureau: "He who knows that enough is enough
will always have enough ."
    278
    0
  • How people treat you is their karma . How you react is yours .

    lecturesbureau: "How people treat you is their karma .
How you react is yours ."
    301
    0
  • There is only way to avoid criticism : do nothing , say nothing , and be nothing .

    lecturesbureau: "There is only way to avoid criticism :
do nothing ,
say nothing ,
and be nothing ."
    369
    0
  • Nature is the Art of God

    lecturesbureau: "Nature is the Art of God"
    390
    0
  • The great thing in this world is not so much where we are but in what direction we are moving .

    lecturesbureau: "The great thing in this world is not so much where we are
but in what direction we are moving ."
    334
    0
  • A gentle word , a kind look , a good-natured smile can work wonders and accomplish miracles .

    lecturesbureau: "A gentle word , a kind look , a good-natured  smile 
can work wonders and accomplish miracles ."
    548
    2
  • We are all so much together , but we are all dying of loneliness .

    lecturesbureau: "We are all so much together ,
but we are all dying of loneliness ."
    368
    0
  • You become responsible , forever , for what you have tamed .

    lecturesbureau: "You become responsible , forever ,
for what you have tamed ."
    319
    0
  • THE MOST BEAUTIFUL THINGS IN THE WORLD cannot be seen or even touched , they must be felt with the heart .

    lecturesbureau: "THE MOST BEAUTIFUL THINGS IN THE WORLD
cannot be seen or even touched ,
they must be felt with the heart ."
    367
    3