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Plz imi trebuie urgent.

Plz Imi Trebuie Urgent class=
Plz Imi Trebuie Urgent class=

Răspuns :

[tex] \frac{2}{7} + \frac{13}{28} = \frac{8+13}{28} = \frac{21}{28} , \frac{1}{6}+ \frac{7}{30} = \frac{5+7}{30} = \frac{12}{30} [/tex]