program bai1;

uses crt;

var dai,rong,tong,hieu,nguyen,du,cv,s:real;

begin

 clrscr;

cv:=(2+5)*2;

s:=2*5;

writeln('chu vi va dien tich cua hinh chu nhat co cap chieu dai va rong la 2;5 la ',cv,' va ',s);

cv:=(4+10)*2;

s:=4*10;

writeln('chu vi va dien tich cua hinh chu nhat co cap chieu dai va rong la 4;10 la ',cv,' va ',s);

cv:=(7+12)*2;

s:=7*12;

writeln('chu vi va dien tich cua hinh chu nhat co cap chieu dai va rong la 7;12 la ',cv,' va ',s);

tong:=10+3;

hieu:=10/3;

nguyen:=10 div 3;

du:=10 mod 3;

writeln(' tong, hieu, chia lay phan nguyen, chia lay phan du cua 10 va 3 lan luot la ',tong:4:1,',',hieu:4:1,',',nguyen:4:1,',',du:4:1);

tong:=11+2;

hieu:=11/2;

nguyen:=11 div 2;

du:=11 mod 2;

writeln('tong, hieu, chia lay phan nguyen, chia lay phan du cua 12 va 2 lan luot la ',tong:4:1,',',hieu:4:1,',',nguyen:4:1,',',du:4:1);

tong:=17+4;

hieu:=17/4;

nguyen:=17 div 4;

du:=17 mod 4;

writeln('tong, hieu, chia lay phan nguyen, chia lay phan du cua 17 va 4 lan luot la ',tong:4:1,',',hieu:4:1,',',nguyen:4:1,',',du:4:1);

readln;

end.