Question

Cau 1: Viet chuong trinh nhap vao n so thuc. Tinh tong cua n so do

Answer 1

uses crt;

var s,n,i:integer;

a:array [1..100] of real;

begin

s:=0;

write('nhap so so hang cua day');readln(n);

for i:=1 to n do begin

writeln('so thu',i,'la: '); readln(a[i]); s:=s+a[i]; end;

write('tong day so thuc la:',s); readln;

end.

 

 

Answer 2

uses crt;

var a:array[1..100]of real;

i,n:integer;

s:real;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

begin

write('A[',i,']='); readln(a[i]);

end;

s:=0;

for i:=1 to n do 

  s:=s+a[i];

writeln(s:4:2);

readln;

end.