Bài 5:
uses crt;
var m,n:longint;
begin
clrscr;
write('Nhap so kWh su dung: ');readln(n);
write('Nhap don gia cua 1 kWh: ');readln(m);
writeln('So tien phai tra: ',n*m);
readln;
end.
Bài 7:
uses crt;
var w,h:longint;
begin
clrscr;
write('Nhap can nang: ');readln(w);
write('Nhap chieu cao: ');readln(h);
if (w/sqr(h))<18.5 then writeln('Chi so BMI: ',w/sqr(h),' la nguoi gay');
if ((w/sqr(h))>18.5) and (w/sqr(h)<25) then writeln('Chi so BMI: ',w/sqr(h),' la nguoi binh thuong')
else writeln('Chi so BMI: ',w/sqr(h),' la nguoi beo');
readln;
end.
Bài 8:
uses crt;
var m,n:longint;
begin
clrscr;
write('Nhap thoi gian lam binh: ');readln(n);
write('Nhap thoi gian lam them: ');readln(m);
writeln('Tien cong lao dong la: ',25000*(n+2*m);
readln;
end.