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Nguyễn Hải Nam

11/03/2017 at 00:00
Answers
3
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S= 1+2+3+...+50

=> S=?


Find S

    List of answers
  • ...
    Nguyễn Trần Thành Đạt 11/03/2017 at 00:10

    S=1+2+3+...+50

    =>S= (1+50):2 x 50

    S= 51:2x50

    S= 1275

  • ...
    In the name of love 12/03/2017 at 21:35

    S =  ( 50+1 ) x 50 :2 

    S = 1275

    good !

  • ...
    Nguyễn Việt Hoàng 11/03/2017 at 12:02

    The term for S is : 

             (50 - 1) + 1 = 50 (skull)

    General S is 

              (50 + 1) x 50 : 2 = 1275 

                   Answer : 1275



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