Uses crt;

Var a, b, c:real;

Begin

Readln(a);

Readln(b);

Readln(c);

If (a + b > c) or (a + c > b) or (b + c > a) then writeln('tam giác')

Else writeln('Khong phai tam giac');

Readln

End.

Bài 2: 

#include <bits/stdc++.h>

using namespace std;

long long x,y;

int main()

{

cin >>x>>y;

cout<<x<<" "<<y;

swap(x,y);

cout<<x<<" "<<y;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

int a;

int main()

{

cin>>a;

if (a<=8) cout<<"Hop le";

else cout<<"Khong hop le";

return 0;

}

chương trình có chạy được không vậy bạn, mình thấy một đống lỗi rồi đấy

Câu 58:

Var n:integer;

Begin

Write('n = ');readln(n);

If n mod 2 <> 0 then write(n,' la so le')

Else write(n,' khong la so le');

Readln

End.

Câu 61:

Var n:integer;

Begin

Write('n = ');readln(n);

If n mod 2 = 0 then write(n,' la so chan')

Else write(n,' khong la so chan');

Readln

End.

uses crt;

var x:real;

begin

clrscr;

repeat

  write('Nhap diem:'); readln(x);

until (0<=x) and (x<=10) and ((frac(x)=25) or (frac(x)=5) or (frac(x)=75) or (frac(x)=0));

writeln(x:4:2);

readln;

end.

uses crt;

var a:integer;

begin

clrscr;

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

if a<0 then writeln(a,' la so am')

else if a>0 then writeln(a,' la so duong')

else writeln(a,' khong la so am cung khong la so duong');

readln;

end.

var A: integer;

begin

write('Nhap vao mot so A='); readln(A);

if A>0 then write('So A la so nguyen duong');

if A<0 then write('So A la so nguyen am');

If A=0 then write('So A khong la so nguyen am va khong la so nguyen duong');

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a,b;

int main()

{

cin>>a>>b;

cout<<max(a,b);

return 0;

}

uses crt;

var a:integer;

begin

clrscr;

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

if (a mod 3=0) and (a mod 5=0) then writeln(a,' dong thoi chia het cho 3 va 5')

else writeln('Khong thoa dieu kien');

readln;

end.