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Decimales: racionales e irracionales

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Decimales: racionales e irracionales

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Reglas y periodos de decimales

Created by

Dionis Alberto Mercedes Severino.
Dionis Alberto Mercedes Severino.
Dominican Republic

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Decimales: racionales e irracionales
 

Decimales: racionales e irracionalesOnline version

Reglas y periodos de decimales

by Dionis Alberto Mercedes Severino.
1

Todas las expansiones decimales de irracionales tienen un periodo que se repite cada 3 dígitos.

2

Un número racional tiene decimal que o termina o se repite.

3

La expansión decimal de 1/3 es 0.333... y tiene periodo 1.

4

Si en forma reducida p/q, q solo tiene factores 2 y 5, la decimal es terminante.

5

Todo número racional tiene decimal que termina.

6

La expansión decimal de 1/7 es 0.142857... y tiene periodo 6.

7

Si q comparte otros primos con 10 además de 2 y 5, la expansión decimal es periódica.

8

El periodo de 1/9 es 2.

9

Sabes crear números con decimales infinitos

10

El periodo de 1/6 es 2.

11

Si el denominador de una fracción reducida tiene factor 3, la decimal siempre termina.

 
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