Определить s: 1) Var s,k: integer; Begin s := 0; for k := 14 to 18 do s := s+7; writeln(s); End. 2) Var s,k: integer; Begin s:=0; for k:=1 to 11 do s:=s+12; write(s); End. 3) var s, k:integer; begin s:= 100; for k:= 0 to 10 do s:= s - 5; writeln (s); end.