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      Question

      If '+' means '-', '×' means '+', '-' means '÷', and

      '÷' means '×', then what is the value of the expression ' 100 - 10 + 30 × 5 ÷ 2 × 10' ?
      B 5 Correct Answer Incorrect Answer
      C 9 Correct Answer Incorrect Answer
      D 1 Correct Answer Incorrect Answer

      Solution

      ' 100 - 10 + 30 × 5 ÷ 2 × 10' 100 ÷ 10 - 30 + 5 × 2 + 10  10 - 30 + 10 + 10 = 0

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