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      Question

      Select the correct combination of the mathematical signs

      to replace the ‘@’ symbols in the below equation and thereby balance it: 81@9@5@30@10@3@45
      A ÷ × + - × = Correct Answer Incorrect Answer
      B ÷ × - = + - Correct Answer Incorrect Answer
      C × ÷ + = - + Correct Answer Incorrect Answer
      D ÷ × + - = + Correct Answer Incorrect Answer

      Solution

      81@9@5@30@10@3@45 81 ÷ 9 x 5 + 30 – 10 x 3 = 45 9 x 5 + 30 – 10 x 3 = 45 45 + 30 – 30 = 45

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