Respuesta :

Answer:

the answer is C

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Add: 1/

3

+ 1/

9

= 1 · 3/

3 · 3

+ 1/

9

= 3/

9

+ 1/

9

= 3 + 1/

9

= 4/

9