Respuesta :

Answer:

d

Step-by-step explanation:

expression= 81

a: 3*26=78

b: 9*7=63

c: 3*15=45

d: 9*9=81

Answer:

D

Step-by-step explanation:

expression= 81

a: 3*26=78

b: 9*7=63

c: 3*15=45

d: 9*9=81

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