Билет № 20

1.
Смотрите билет № 4


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3.

program www;
uses drawman;
begin
field(6,5);
topoint(2,2);
pendown;
topoint(3,3);
topoint(3,1);
penup;
topoint(4,3);
pendown;
topoint(5,3);
topoint(5,2);
topoint(4,1);
topoint(5,1);
end.