Le numeros integre son del typo: −59, −3, 0, 1, 5, 78, 34567, etc.
, il es a dicer, le numeros natural, su numeros opposite (negative) e le zero. Le numeros integre con le addition e le multiplication forma un structura algebric nominate anello. Illos pote esser considerate un extension del numeros natural e un subinsimul del numeros rational (fractiones).
Numero integre |
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instantia de: typo de numero[*] |
subclasse de: number with finite decimal representation[*], numero real, Gaussian integer[*], p-adic integer[*] |
parte de: set of integers[*] |
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Commons: Integers |
Le numeros integre son un subinsimul del numeros rational.
Le numeros integre pote esser summate e restate, multiplicate e comparate. Le ration principal pro introducer le numeros negative super le numeros natural es le possibilitate de resolver equationes del typo:
pro le incognite .
Mathematicamente, le insimul del numeros integre con le operationes de summa e multiplication, constitue un anello commutative.
Per altere latere es un insimul completemente ordinate sin quota superior o inferior.
Le insimul del numeros integre se representa mediante (un Z con le linea diagonal duple). Le origine del uso de veni del germano Zahlen, numero.
Le numeros integre compli le sequente axiomas, pro tote a, b, c pertinente a :
Pro scriber , on debe scriber
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