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Problem #943

tim tong cac so sau

Added by Vu [G] over 1 year ago. Updated over 1 year ago.

Status: New Start Date: 04-12-2011
Priority: Normal Due date:
Assigned to: - % Done:

0%

Category: -
Target version: -
Votes: 2/2

Description

1^2+2^2+3^2+....+n^2

History

Updated by Huu Phuoc Lam [G] over 1 year ago

  • Votes: 2/2

Vu [G] wrote:

\(1^2+2^2+3^2+....+n^2\)

Updated by Nathaniel Goudie [G] over 1 year ago

  • Votes: 1/1

Vu [G] wrote:

1^2+2^2+3^2+....+n^2

\(1^2+2^2+3^2+....+n^2 \)

Updated by -General Poreotix- [G] over 1 year ago

    /(U_1^2=0)/

    Updated by Splendid Nguyễn [G] over 1 year ago

      hok bik làm :|

      Updated by -General Poreotix- [G] over 1 year ago

        \(U_1^2\)

        Updated by »—»†•JµsTïÑ•†»—» [G] over 1 year ago

          Nathaniel Goudie [G] wrote:

          Vu [G] wrote:

          1^2+2^2+3^2+....+n^2

          /(1^2+2^2+3^2+....+n^2/)

          /(1^2+2^2+3^2+....+n^2/)

          Updated by q [G] over 1 year ago

            Vu [G] wrote:

            1^2+2^2+3^2+....+n^2

            More like AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

            Updated by Huu Phuoc Lam [G] over 1 year ago

              Huu Phuoc Lam [G] wrote:

              Vu [G] wrote:

              \(1^2+2^2+3^2+....+n^2\)

              \(\Leftrightarrow\)

              Updated by »—»†•JµsTïÑ•†»—» [G] over 1 year ago

                Vu [G] wrote:

                1^2+2^2+3^2+....+n^2
                Nhức cai đầu >.<!Đề nghị cho bản hướng dẫn

                Updated by Chloe Chen [G] over 1 year ago

                  »—»†•JµsTïÑ•†»—» [G] wrote:

                  Vu [G] wrote:

                  1^2+2^2+3^2+....+n^2

                  Nhức cai đầu >.<!Đề nghị cho bản hướng dẫn

                  Sai chính tả >.

                  Updated by »—»†•JµsTïÑ•†»—» [G] over 1 year ago

                    Chloe Chen [G] wrote:

                    »—»†•JµsTïÑ•†»—» [G] wrote:

                    Vu [G] wrote:

                    1^2+2^2+3^2+....+n^2

                    Nhức cai đầu >.<!Đề nghị cho bản hướng dẫn

                    Sai chính tả >.

                    Thiếu ti mà lị :D Khó ghê :))

                    Updated by Nguyễn Lê Ngọc Tùng 11C2 [G] over 1 year ago

                      Vu [G] wrote:

                      1^2+2^2+3^2+....+n^2

                      dap an: (n(n+1)(2n+1))/6