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OS Numeros, algarismos arábicos

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Uploaded by on Jul 13, 2009

Os números que escrevemos são compostos por algarismos, (1, 2, 3, 4, etc) chamados algarismos arábicos, para distinguir dos algarismos romanos (I, II, III, IV, etc)...
Os árabes popularizaram estes algarismos, mas a sua origem remonta aos comerciantes fenícios que os usavam para contar e anotar a sua contabilidade comercial.
Alguma vez você perguntou, por que 1 significa "um", 2 significa "dois", 3: "3" ...?
Qual é a lógica que existe nos algarismos arábicos?

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  • muito bom

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