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Long Addition (Addition tricks)...

Long addition mean addition of a lot of numbers. When you have a lot of number for addition then try to arrange the number for addition. Try to made tens, hundreds, thousand, ...

Let us see the following examples.

  • 4 + 3 + 2 + 7 + 9 + 11 + 8
  • That can be rearranged as

    = (3 + 7) + (9 + 11) + (2 + 8) + 5

    = 10 + 20 + 10 + 5

    = 45

    The above example may also written as

    In such case add the numbers as following

  • 15 + 26 + 34 + 45 + 19 + 22 + 48
  • = (15 + 45) + (26 + 34) + 19 + (22 + 48)

    = 60 + 60 + 19 + 70

    = 209

    The above example may also written as

    In such case add the numbers as following

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