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    Question

    Find the value of 1512 тАУ

    1492.
    A 600 Correct Answer Incorrect Answer
    B 500 Correct Answer Incorrect Answer
    C 560 Correct Answer Incorrect Answer
    D 400 Correct Answer Incorrect Answer

    Solution

    ┬а1512┬атАУ 1492 a2-b2= (a-b)(a+b) =(151-149)(151+149) =2├Ч300 =600.

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