lunes, 1 de diciembre de 2008

NUMEROS NATURALES, ENTEROS E IRRACIONALES, SIMBOLOS DE AGRUPACION Y SUMA ALGEBRAICA

numero naturales{ 1 , 2 , 3 , 4}

enteros {-1, - 2, -3}

irracionales
5 + (3+2) - (5+3) + 2 asociativa

5 (7+2) = 5+ 7 + 5 x 2 = distributiva

6+0 9 x 1 = identico

6+ 2 / 2 = 7 6 + 2/ 2 = 7 ( 6 +2 ) / 2 6 + 2 = 8 / 2 = 4

simbolos de agrupacion:

parentesis , ( )

corchetes [ ]

llaves{ }

suma algebraica:

multiplicacion y division

+ + y - - = suma
+ - y - + = resta

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