VEGATANIA11IN VEGATANIA11IN Matemáticas contestada [tex] \frac{3}{4} + \frac{?}{?} = 1[/tex][tex] \frac{10}{4} - \frac{?}{?} = 2[/tex][tex] \frac{5}{7} + \frac{?}{?} = 1[/tex][tex] \frac{9}{4} - \frac{?}{?} = 2[/tex]Me ayudan plis