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Gabrieladiaconu26232id

[tex]3 \frac{1}{2} - 2 \frac{1}{3} = \frac{3 \times 2 + 1}{2} - \frac{2 \times 3 + 1}{3} = \frac{7}{2} - \frac{7}{3} \: se \: amplifica \: cu \: 2 \: prima \: fractie \: si \: cu \: 3 \: a \: doua = \frac{21}{6} - \frac{14}{6} = \frac{7}{6} [/tex]

Vezi imaginea Gabrieladiaconu26232

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