Created
May 28, 2013 03:40
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| program vnanswer; | |
| uses crt; | |
| var n, i: longint; | |
| s, s1, s2: extended; | |
| begin | |
| clrscr; | |
| write('Nhap n: '); | |
| readln(n); | |
| for i:=1 to n do begin | |
| s1:=s1+(i*i); | |
| s2:=s2+(i*(i+1)); | |
| end; | |
| write('T=', (s1/s2):6:4); | |
| readln; | |
| end. |
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