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Numerele pare mai mici decat 500 ?

Răspuns :

n=nr par
n<500
n∈{0,2,4,6,8,10,...,498}
[tex]0,2,4,6,8,10,12,14,16,18,20,22,24, \\ 26,28,30,32,34,36,38,40,42,44,46,48 \\ ,50,52,54,56,58,60,62,64,66,68,70 \\ ,72,74,76,78,80,......\ \textless \ 500[/tex]

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