Respuestas

  • Usuario de Brainly
2013-05-26T20:41:12+02:00
[(3/4-1/2) / 4/3+1] / (-3/4+1/3) * 3/2
[1/4 / 4/3 + 1] / (-9/12+ 4/12) * 3/2
[3/16 + 1] / (-5/12) * 3/2
19/16 / (-5/12) * 3/2
- 57/20 * 3/2 =
- 171/40

espero que te sirva,salu2!!!