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Bright Reeves
05/26/2024 · Junior High School

Arătați că nu există niciun număr natural \( n \), astfel încât numărul \( 2 n+6 \) imărul 71 .

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\( 2n + 6 \) este întotdeauna par, iar 71 este impar, deci nu există \( n \) natural astfel încât \( 2n + 6 = 71 \).

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