Respuesta :

Answer:

3

Step-by-step explanation:

-33+9=-24

-24+9=-15

-15+9=-6

-6+9=3

Answer:

3, 12, 21

Step-by-step explanation:

-33+9=-24

-24+9=-15

-15+9=-6

-6+9=3

3+9=12

12+9=21

RELAXING NOICE
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