Respostas

  • 7up
  • Ambicioso
2014-05-03T18:22:38-03:00
 \frac{x}{2}  \frac{x}{3} + 140 = 180

 \frac{5x}{6} = 40

5x=240

X=48

Então a: 48/2 + 48/3 =120

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