Câu 6:

uses crt;

var n,i:integer;

begin

clrscr;

readln(n);

for i:=1 to n do 

if n mod i=0 then write(i:4);

readln;

end.

5:

uses crt;

var n,i,dem:integer;

begin

clrscr;

readln(n);

dem:=0;

for i:=0 to n do

if i mod 2=1 then 

begin

write(i:4);

dem:=dem+1;

end;

writeln;

writeln(dem);

readln;

end.

Câu 2: 

#include <bits/stdc++.h>

using namespace std;

double p1,p2;

int i,n;

int main()

{

cin>>n;

p1=1;

p2=1;

for (i=1; i<=n; i++)

{

if (i%2==0) p2=p2*(i*1.0);

else p1=p1*(i*1.0);

}

cout<<fixed<<setprecision(2)<<p1<<endl;

cout<<fixed<<setprecision(2)<<p2;

return 0;

}

câu 1:

uses crt;

var p,i:integer;

begin

clrscr;

p:=1;i:=1;while i<=5 do

begin

p:=p*i;i:=i+1;

end;

write(p);

readln;

end. 

bai 2:

uses crt;var p,i:integer;begin    clrscr;    p:=1; i:=0;    while i <=10 do    begin

i:=i+1;        if (i mod 2<>0) then p:=p*i;    end;    write(p);    readln;end. bai 3:

uses crt;var n,i,p:integer;begin     clrscr;     write('nhap n: ');     readln(n);     i:=1;     p:=1;     while i<=n do     begin       if i mod 2=0 then p:=p*i;       i:=i+1;     end;     write(p);     readln;end.     

*Cách khác: Dùng for

Câu 1: 

uses crt;

var p,i:longint;

begin

p:=1;

for i:=1 to 4 do 

  p:=p*i;

writeln(p);

readln;

end.

Câu 2: 

uses crt;

var i,s:longint;

begin

clrscr;

s:=1;

for i:=1 to 10 do

  if i mod 2=1 then s:=s*i;

writeln(s);

readln;

end.

Câu 3: 

uses crt;

var n,i,s:longint;

begin

clrscr;

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

s:=0;

for i:=1 to n do 

  if i mod 2=0 then s:=s+i;

writeln(s);

readln;

end.

Câu 1:

Program HOC24;

var i,n: integer;

t: longint;

write('Nhap N: '); readln(n);

t:=1;

for i:=1 to n do t:=t*i;

write(n,'! = ',t);

readln

end.

Câu 2:

Program HOC24;

var i,n: integer;

S: real;

begin

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

S:=0;

for i:=1 to n do S:=S+1/i;

write('S = ',s);

readln

end.

1:

function dt(r:real):real;

begin

dt:=sqr(r)*pi;

end;

2:

function dt(a,b:real):real;

begin

dt:=1/2*a*b;

end;

3:

function dt(a,b,c:real):real;

var p,s:real;

begin

p:=(a+b+c)/2;

s:=sqrt(p*(p-a)*(p-b)*(p-c));

dt:=s;

end;

c1: 

#include <bits/stdc++.h>

using namespace std;

long long i,n,s;

int main()

{

cin>>n;

s=1;

for (i=1; i<=n; i++) s=s*i;

cout<<s;

return 0;

}

Câu 2: 

#include <bits/stdc++.h>

using namespace std;

long long i,n,s;

int main()

{

cin>>n;

s=1;

for (i=1; i<=n; i++) if (i%2==0) s=s*i;

cout<<s;

return 0;

}

Câu 1: 

program chieu_cao;

uses crt;

var Nam, Linh: real;

begin

clrscr;

write ('Nhap chieu cao cua Nam:'); readln (Nam);

write ('Nhap chieu cao cua Linh:'); readln (Trang);

if Nam > Linh then writeln ('Ban Nam cao hon');

if Nam < Linh then writeln ('Ban Linh cao hon') else writeln ('Hai ban cao bang nhau');

readln

end.

Câu 2: 

program Tich;

var N,i: interger;

      P: longint;

begin

write ('N='); readln (N);

P:=1;

for i:=1 to N do P:=P*i;

writeln (N,' ! = ',P);

readln

end.

Câu 3: 

uses crt;

var n,i,s:longint;

begin

clrscr;

readln(n);

for i:=1 to 10 do 

  writeln(n,'*',i,'=',n*i);

readln;

end.

Câu 1:

Program HOC24;

var i,p: integer;

t: longint;

begin

write('Nhap P: '); readln(p);

t:=0;

for i:=1 to p do if i mod 2<>0 then t:=t+i;

write('Tong cac so le la: ',t);

readln

end.

Câu 2:

Program HOC24;

var i,n: integer;

t: longint;

begin

write('Nhap N: '); readln(n);

t:=0;

for i:=1 to n do if i mod 2=0 then t:=t+i;

write('Tong cac so chan la: ',t);

readln

end.

Câu 3:

Program HOC24;

var i,t,n: integer;

begin

write('Nhap N: '); readln(n);

t:=0;

for i:=1 to n do if n mod i=0 then t:=t+i;

write('Tong cac uoc cua ',n,' la: ',t);

readln

end.