maths magic

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here is a math trick i.e,45-45=45.how is that explain me

  • maths magic -

    9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 45

    Write 45 like :

    987654321

    1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45

    Write 45 like :

    123456789


    987654321 - 123456789 = 864197532

    8 + 6 + 4 + 1 + 9 + 7 + 5 + 3 + 2 = 45

    987654321 [ 45 ] - 123456789 [ 45 ] = 864197532 [ 45 ]

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