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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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