Respuesta: A)1.89
B)13.5
C)81.6
Explicación paso a paso:A) (2,1)X(3,9-3,0)=1.89
B) (3,0)X(4.5)=13.5
C) (3+1,5+4,5+3)X(3,9+2,9)=81,6
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Verified answer
Respuesta: A)1.89
B)13.5
C)81.6
Explicación paso a paso:A) (2,1)X(3,9-3,0)=1.89
B) (3,0)X(4.5)=13.5
C) (3+1,5+4,5+3)X(3,9+2,9)=81,6