X=125
a= 125 div 100= 1
b= 125 mod 100 div 10= 25 div 10 = 2
c= 125 mod 10 =5
s= 1+2+5=8
x= 248
a= 248 div 100= 2
b= 248 mod 100 div 10= 48 div 10 = 4
c= 248 mod 10 =8
s= 2+4+8=14
x=789
a= 789 div 100= 7
b= 789 mod 100 div 10= 89 div 10 = 8
c= 789 mod 10 =9
s= 7+8+9=24
Program klas;
uses crt;
var
n,p,i,r:integer;
begin
writeln('Kolichestvo 11 klassov :');
read(n);
for i:=1 to n do
begin
writeln('Vvedite kol-vo chelovek v ',i);
read(p);
r:=r+p;
end;
Writeln('Vsego v ',n,' klassah ',r,' chelovek');
end.
1. 111111 - 77 - 63 - 3F
2. 1001001 - 111 - 73 - 49
3. 1 0000 0000 - 400 - 256 - 100
4. 10101010 - 252 - 170 - AA