program tamgiac;
uses crt;
var a,b,c:integer;
begin
write('Nhap chieu dai 3 canh tam giac:'); readln (a,b,c);
if (a=b) and (b=c) and (a=c) then write ('Tam giac deu');
if (a=b) or (b=c) or (a=c) then write('Tam giac can');
if (a*a=b*b+c*c) or (b*b=a*a+c*c) or (c*c=a*a+b*b) then write('Tam giac vuong');
readln
end.
Chúc bạn học tốt ^^
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