Question

quanto es 3/2 · (5/4+ 3)?

Answer 1

Respuesta:

51/8

Explicación paso a paso:

*se sabe:

a(b+c)=ab+ac

(a/b)+(c/d) = (ad+bc)/bd

*resolviendo:

=(3/2)(5/4+3)

=(3x5/2x4)+(3/2)3

=(15/8)+(9/2)

=(2x15+8x9)/8x2

=(30+72)/16

=102/16

=51/8

=6,375