A) program xxx;
var s,k,i: integer;
begin
s:=10;
for i=1 to 5 do
s:= s+k;
writeln(s);
end.
б) program xxx;
var b,n: integer;
begin
b:=0;
n:=1;
repeat
b:= b+n;
n:= n+2;
until n<=10;<br>writeln(b);
end.
в)program xxx;
var a, k: integer;
begin
k:=1;
a:=0;
while k<4 do {<br>a:= (a+k)*k;
k:= k+1;
}
writeln(a);
end.