Mình làm cả 5 bài luôn, cho mình xin hay nhất.
100% đúng nha.
Bài 1:
uses crt;
var k,t:longint;
begin
clrscr;
write('Nhap so kw: ');readln(k);
if k>=100 then inc(t,100000) else inc(t,1000*k);
if k>=200 then inc(t,200000) else inc(t,2000*(k-100));
if k>200 then inc(t,3000*(k-200));
writeln('So tien: ',t);
readln
end.
Bài 2:
uses crt;
var tbm:byte;
begin
clrscr;
write('Nhap trung binh mon: ');readln(tbm);
write('Xep loai: ');
if tbm>=8 then write('Gioi') else
if tbm>=6.5 then write('Kha') else
if tbm>=5 then write('TrungBinh') else
write('Yeu');
readln
end.
Bài 3:
uses crt;
var a,b:longint;
begin
clrscr;
write('Nhap 2 so duong: ');readln(a,b);
while a<>b do if b>a then b:=b-a else a:=a-b;
writeln('Uoc chung lon nhat: ',a);
readln
end.
Bài 4:
uses crt;
var t,i,n:longint;
begin
clrscr;
write('Nhap n: ');readln(n);
t:=1;
for i:=2 to n do t:=t+t*i;
writeln('Tong: ',t);
readln
end.
Bài 5:
uses crt;
var i:longint; n,a:real;
begin
clrscr;
write('Nhap so thuc a: ');readln(a);
while n<=a do
begin
inc(i);
n:=n+1/i;
end;
writeln('n= ',n:0:2);
readln
end.
