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212395
USO DE LAS FRACCIONES
Description
Mind Map on USO DE LAS FRACCIONES, created by Montse Vazquez on 16/09/2013.
Mind Map by
Montse Vazquez
, updated more than 1 year ago
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Created by
Montse Vazquez
over 10 years ago
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Resource summary
USO DE LAS FRACCIONES
RAZÓN
Es el cociente de 2 cantidades.
a / b
2 / 4
PROPORCION
Es un enunciado que afirma q dos razon son iguales
1 / 2 = 4 / 8
PRODUCTOS CRUZADOS
a / b = c / d , entonces esto es = 0
0 / 0 = 0 / 0
VARACIÓN DIRECTA
Se usa cuando Y se varia con X y es proporcional, si existe una K diferente de 0
y = kx
8 = 2 + 6
VARIACION DIRECTA CON LA POTENCIA
Y Varia con la potencia N sobre y si hay un numero real
y = kx¨
2 =1*1¨
VARIACIÓN INVERSA
Y varia inversamente con X si hay 1 num. real
y = x / k
2 = 6 / 12
xy = k
2 * 6 = 12
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