Автор - аленка20020
1:program
a1;
var
P,A,B,C: integer;
begin
write('p=');
read(p);
write('A=');
read(A);
write('B=');
read(B);
C:=p-(A+B);
writeln('C=',C)
end.
2:program a2;
var P,A:integer;
B:real;
begin
write('p='); read(p);
write('A='); read(A);
B:=(p-A)/2;
writeln('B=',B:5:3)
end.