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    Question

    Which two signs should be interchanged in the following

    equation to make it correct: 640 ÷ 80 + 6 × 20 – 10 = 58
    A ÷ and + Correct Answer Incorrect Answer
    B + and – Correct Answer Incorrect Answer
    C + and × Correct Answer Incorrect Answer
    D ÷ and – Correct Answer Incorrect Answer

    Solution

    640 ÷ 80 + 6 × 20 – 10 = 58 640 ÷ 80 × 6 + 20 – 10 = 58 8 × 6 + 20 – 10 = 58 48 + 20 – 10 = 58

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