Respuesta :

Answer:

0.9999

Step-by-step explana

Answer:

4.5   or 1

Step-by-step explanation:

(9-3)/(1/3+1) = 6/(4/3) = 4.5

but, if:

9 - 3/(1/3) + 1, then

9-9+1 = 1

parentheses can be your friend