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3 years ago

15

Si: a + b + c = 18hallar: abc + bca + cab

2 answers:

Elanso [62]3 years ago

8 0

Answer:

54

Step-by-step explanation:

a + b + c = 18

abc + bca + cab = ???

18 / 3 = 6

a = ? = 6

b = ? = 6

c = ? = 6

(6 + 6 + 6) + (6 + 6 + 6) + (6 + 6 + 6)

(18) + (18) + (18)

abc + bca + cab = 54

Morgarella [4.7K]3 years ago

7 0

Answer:

abc + bca + cab

abc(1+1+1)

3×18

54

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