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1DianaMaria3id

Răspuns:

[tex]3 \times \frac{7}{5} - \frac{6}{5} = \\ \\ = \frac{3 \times 7}{5} - \frac{6}{5} = \\ \\ = \frac{21}{5} - \frac{6}{5} = \\ \\ = \frac{21 - 6}{5} = \\ \\ = \frac{15}{5} = \\ \\ = 3[/tex]

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