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18 September, 05:44

How can you express 499 to find the product 499 x 5 using mental math? explain

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  1. 18 September, 09:43
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    We can write 499 as 499 = 500 - 1

    Because it is easy to multiply 500 and 5 compare to 499 to 5.

    So product of 499 * 5 = (500 - 1) * 5

    = 500*5 - 1*5

    = 2500 - 5 = 2495

    So the answer is 2495.
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