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4 supra 5 + 4 supra 5 + 3 supra 15 =

Răspuns :

Răspuns:

[tex] \frac{4}{5} + \frac{4}{5} + \frac{3}{15} = \frac{8}{5} + \frac{3}{15} = \frac{8 \times 3 + 3}{15} = \frac{27}{15} = \frac{9}{5} [/tex]