50 i triangoli
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13:39
104 La serie di Fibonacci e la Spirale aurea
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11:20
51 i teoremi di Euclide
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7:18
Rapporti dei lati di un rettangolo e Area, geometria per scuola media
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10:14
Esercizi sui triangoli scuola media
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17:35
Classificazione dei triangoli
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8:16
PROBLEMI CON I TRIANGOLI - con lati e perimetro
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7:19
I triangoli scuola primaria
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11:33