Respuesta :

Answer:

18

Step-by-step explanation:

54/18=3

72/18=4

90/18=5

Answer:

18

Step-by-step explanation:

GCF of 54, 72, 90 is:

54÷3= 18

72÷4= 18

90÷5= 18

The GCF of 54, 72, and 90 is 18.

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