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11 intregi 7/12 + 6 intregi 11/28 . va rog e urgent

Răspuns :

Happy2005

[tex]11 \times \frac{7}{12} + 6 \times \frac{11}{28} = \frac{139}{12} + \frac{179}{28} = \frac{973}{84} + \frac{537}{84} = \frac{1510}{84} [/tex]

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