4. program bai_4;

ues crt;

var

s,n,i:integer;

begin

clrscr;

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

s:=0;

for i:=1 to n do

if i (mod 2=0) then s:=s+1;

write('tong la:',s:7);

readln;

end.

5.program bai_5;

uses crt;

var

i,s,n:integer;

begin

clrscr;

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

s:=0;

for i:=1 to n do s:=s+1;

writer('tong la:',s);

readln;

end.

8.program bai_8;

uses crt;

var

A:=array[1..100]of integer;

i,n,max:integer;

begin

clrscr;

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

for i:= 1 to n do

begin

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

end;

for i:= 1 to n do write(A[i],' ');

max:=a[1];

for i:= 1 to n do

if a[i] mod> max then:=a[i];

write('gia tri lon nhat trong mang la:',max);

readln;

end.

c)

uses crt;

var i, n: integer;

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

begin

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

for i:=1 to n do

begin

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

end;

writeln(a[i]);

readln

end.

d)

uses crt;

var i, le, chan: integer;

a: array[1..20] of integer;

begin

for i:=1 to 20 do

begin

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

end;

for i:=1 to 20 do

if a[i] mod 2 <> 0 then

writeln((a[i]) ,' la so le');

for i:=1 to 20 do

if a[i] mod 2 = 0 then

writeln((a[i]) ,' la so chan');

readln

end.

b)

uses crt;

var n,i:word;

T:longint;

begin

clrscr;

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

T:=1;

for i:=2 to n do T:=T*(1+i);

write('T = ',T);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

double a[10],b,c,tb;

int n,i,dem;

int main()

{

cout<<"Nhap so cot thuong xuyen:"; cin>>n;

tb=0;

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

{

cin>>a[i];

tb=tb+a[i];

}

cin>>b>>c;

tb=tb+b+c;

cout<<fixed<<setprecision(2)<<tb/(n+2)<<endl;

if (tb>=8) cout<<"Gioi";

else if ((tb>=6.5) and (tb<8)) cout<<"Kha";

else if ((tb>=5) and (tb<6.5)) cout<<"Trung binh";

else cout<<"Yeu";

return 0;

}

#include <bits/stdc++.h>

using namespace std;

double a[10],b,c,tb;

int i,n;

int main()

{

cout<<"Nhap so cot thuong xuyen:"; cin>>n;

for (i=1; i<=n; i++) cin>>a[i];

cout<<"Nhap diem giua ki:"; cin>>b;

cout<<"Nhap diem cuoi ki:"; cin>>c;

tb=0;

for (i=1; i<=n; i++) tb=tb+a[i];

tb=tb+b+c;

tb=tb/((n+2)*1.0);

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

if (tb>=8) cout<<"Gioi";

else if ((tb>=6.5) and (tb<8)) cout<<"Kha";

else if ((tb>=5) and (tb<6.5)) cout<<"Trung binh";

else cout<<"Yeu";

return 0;

}

Bài 1:program sothuc;

uses crt;

var a:array[1..10] of real;s,i,j:real;

begin

s:=0;

for i:=1 to 10 do begin writeln('A[',i,']=');readln(a[i]); end;

for i:=1 to 10 do if a[i]<0 then

for j:=1 to 10 do

begin a[j]:=sqr(a[i]); s:=s+a[j]; end;

writeln('tong binh phuong cac so am la: ',s:2:2); readln;

end. (Khi nào mình kiểm tra chạy lại trên phần mềm rồi sửa lại nếu sai nhé)

Bài 2: 

program soduong;

uses crt;

var a:array[1..100] of integer;s,i,n:integer;

begin

clrscr;

writeln('nhap do dai cua day');readln(n);

for i:=1 to n do begin

writeln('a[',i,']=');readln(a[i]);

if a[i] mod 2 = 0 then s:=s+a[i] end;

writeln('tong so duong trong day la',s:2:0);readln

end.

Bài 3: các số dương mà là số lẻ là sao thế bạn????

uses crt;

var a,b,tb:real;

begin

clrscr;

readln(a,b);

tb:=(a+b*2)/3;

writeln(tb:4:2);

if (tb>=8) then writeln('gioi')

else if ((tb>=6.5) and (tb<8)) then writeln('Kha')

else if ((tb>=5) and (tb<6.5)) then writeln('Trung Binh')

else writeln('Yeu');

readln;

end.

#include <bits/stdc++.h>

using namespace std;

double a,b,tb;

int main()

{

cin>>a>>b;

tb=(a+b*2)/3;

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

if (tb>=8.0) cout<<"Gioi";

else if ((tb>=6.5) and (tb<8)) cout<<"Kha";

else if ((tb>=5) and (tb<6.5)) cout<<"Trung binh";

else cout<"Yeu";

return 0;

}

bạn ơi câu a của bạn ý j ạ mk giải dc hết hỏi xíu thui

ý của câu a đầu là j ??

vieets chưng trình hay j á