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efectuati fractia 71/39-10/3​

Răspuns :

Răspuns:

[tex] \frac{71}{39} - \frac{10}{3} = \\ \frac{71}{39} - \frac{10 \times 13}{39} = \\ \frac{71 - 130}{39} = - \frac{59}{3} [/tex]