7. Resolver: 2/3 + 4/9
a. 18/9
b. 11/9
c. 10/9
d. 3/9
doy corona
a. 18/9
b. 11/9
c. 10/9
d. 3/9
doy corona
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[tex] \frac{2}{3} + \frac{4}{9} = \frac{6 \: + \: 4}{9} = \frac{10}{9} [/tex]
Respuesta:
c. 10/9