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    Question

    Select the correct set of symbols:  21   

    9    13    7 = 195
    A ×, –, ÷ Correct Answer Incorrect Answer
    B +, ÷, – Correct Answer Incorrect Answer
    C +, –, ÷ Correct Answer Incorrect Answer
    D ×, +, – Correct Answer Incorrect Answer

    Solution

    21    9    13    7 = 195 After change 21 x 9 + 13 – 7 = 195 189 + 13 – 7 = 195 202 – 7 = 195

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