Rational Numbers

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Multiple Choice

What is the value of the following expression?

{- 4/3 x 5/4 x - 3/5 x 6/7 x (14/12 x 13/11 x 33/39) } / 2

  1. 2
  2. - 2
  3. - 1/2
  4. 1/2
  5. 1
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