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afla multimea: D18, D11, D50

Răspuns :

[tex]D_{18}=\left\{\pm1,\pm2,\pm3,\pm6,\pm9,\pm18\right\}[/tex]

[tex]D_{11}=\left\{\pm1,\pm11\right\}[/tex]

[tex]D_{50}=\left\{\pm1,\pm2,\pm5,\pm10,\pm25,\pm50\right\}[/tex]