function sum: real;
bgin
integer: i, s;
s:=0;
for i:=1 to 100 do
s:=s + i / (i +1);
return s;
end;
var
i:integer;
sum:extended;
begin
sum:=0;
for i:=1 to 100 do sum:=sum+i/(i+1);
write(i);
end.
program p1;
var
i:integer;
s:sxtended;
begin
s:=0;
for i:=1 to 100 do
s:=s+i/(i+1);
write(s);
end.
s:=1;
for i:=1 to 100 do
begin
s:=s/i;
end;
writeln(s:0:1);
是 1/2 +1/2+1/2.....???
还是 1/2+1+2+3...+100+101
是不是1/2+2/3+3/4+…+99/100+100/101
我应该会做(本人绝非打酱油)