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Thứ Sáu, 6 tháng 5, 2011

Tinh tổng 1/n! trong pascal

Bài giải :

Program shopkienthuc;
Uses crt;
 Var j,n:integer;
        gt:longint;
        S:real;
Begin
Clrscr;
Write('nhap n='); readln(n);
  If (n<0) then write(#7,'khong thuc hien duoc vi', n,'<0')
Else
  begin
    gt:=1;
    S:=1;
   For j:=1 to n do
Begin
gt:=gt*j;
S:=S+1/gt;
End;
writeln('S=',S:6:2);
Readln;
End;
Readln
End.
Tại File Pas : giaibaitapyeucau.pas
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0 nhận xét

:) :-) :)) =)) :( :-( :(( :d :-d @-) :p :o :>) (o) [-( :-? (p) :-s (m) 8-) :-t :-b b-( :-# =p~ :-$ (b) (f) x-) (k) (h) (c) cheer

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