Instrucciones: Responde las siguientes preguntas.

• Simplificar.

  $$\left ( 3.1 \right )+\left ( 0.7+6.4 \right )$$
  • 10.2
  • 10.4
  • 11.1
  • 11.3

• Simplificar.

  ( 9.72 - 3.09 ) + ( 3.14 - 1.22 )
  • 12.55
  • 8.55
  • 7.45
  • 10.45

• Simplificar.

  ( 15.69 - 5.71 - 3.84 ) + 14.07 + ( 1.39 - 0.47 ) + 2.08
  • 26.31
  • 18.41
  • 27.01
  • 23.21

• Simplificar.

  ( 2.18 + 5.72 - 0.03 ) + ( 5.67 - 2.17 + 4.55 )
  • 14.62
  • 16.32
  • 17.82
  • 15.92

• Simplificar.

  ( 5.4 + 2.1 ) + ( 8.3 + 7.5 )
  • 22.3
  • 19.3
  • 23.3
  • 25.3