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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