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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.
Cách khác(Dùng bằng C++)
#include <bits/stdc++.h>
using namespace std;
double a,b;
int main()
{
cin>>a>>b;
cout<<"Tong la:"<<fixed<<setprecision(2)<<a+b<<endl;
cout<<"Tich la:"<<fixed<<setprecision(2)<<a*b;
return 0;
}
Caua1:
program caumot;
begin
writeln('lop 8A chao ban!');
end.
Câu 2:
program cauhai;
int a,b,c :real;
begin
write('a='); readln(a);
write('b='); readln(b);
c= a+b;
write('Tong hai so a b la:',c);
end.
b:
#include <bits/stdc++.h>
using namespace std;
long long a,b,t;
int main()
{
cin>>a>>b;
t=a+b;
cout<<t;
return 0;
}
uses crt;
var n,t1:integer;
s:real;
begin
clrscr;
t1:=0;
s:=1;
repeat
readln\(\left(n\right)\);
if n mod 2=0 then t1:=t1+n
else s:=s*n;
until n=0;
writeln\(\left(t1\right)\);
writeln\(\left(s:4:2\right)\);
readln;
end.
b:
#include <bits/stdc++.h>
using namespace std;
long long a,b,t;
int main()
{
cin>>a>>b;
t=a+b;
cout<<t;
return 0;
}
program bai1;
uses crt;
var a,b,c,s: real;
begin
clrscr;
write('nhap so thu nhat ='); readln(a);
write('nhap so thu hai ='); readln(b);
write('nhap so thu ba ='); readln(c);
s:=a+b+c;
writeln('tong ba so a,b,c =',s:4:2);
readln;
end.
program bai1;
uses crt;
var n: integer;
begin
clrscr;
write('nhap so n ='); readln(n);
if n mod 2 = 0 then
writeln('la so chan ') else
writeln('la so le ');
readln;
end.
Câu 2:
Program nii;
Uses crt;
Var a,b,c,A:integer;
Begin
Write ('nhap a');
Readln (a);
Write ('nhap b');
Readln (b);
Write ('nhap c');
Readln (c);
A:=a;
If A<b then A:=b;
If A<c then A:=c;
Write ('Ket qua',A);
Readln;
End.
Câu 1
Program ntg;
Uses crt;
Var A,x,y:integer;
Begin
Write ('nhap x');
Readln (x);
Write ('nhap y');
Readln ('y');
A:=x+y;
Write ('Ket qua',A);
Readln;
End.
program timtich;
uses crt;
var i,n:integer;
tich:longint;
a:array[1..100]of integer;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
tich:=1;
writeln;
for i:=1 to n do
if a[i] mod 2=0 then tich:=tich*a[i];
writeln('tich ca phan tu chan cua mang la:',tich);
readln;
end.
program timtong;
uses crt;
var i,n:integer;
tong:longint;
a:array[1..100]of integer;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
tong:=0;
writeln;
for i:=1 to n do
if a[i] mod 2=0 then tong:=tong+a[i];
writeln('tong cac phan tu chan cua mang la:',tong);
tong:=0;
writeln;
for i:=1 to n do
if a[i] mod 2=1 then tong:=tong+a[i];
writeln('tong cac phan tu le cua mang la:',tong);
readln;
end.
Bài 1:
uses crt;
var a:array[1..100]of integer;
i,n,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
s:=1;
for i:=1 to n do
if a[i] mod 2=0 then s:=s*a[i];
writeln(s);
readln;
end.
dễ mà tự làm đi!