1)var ar:array[1..4] of integer;beginar[1]:=2;ar[2]:=2;ar[3]:=2;ar[4]:=2;end.2)var ar:array[1..5] of integer;a:integer;beginfor a:=1 to 5 dobegin;ar[a]:=a;writeln(ar[a]);end;end.3)var ar:array[1..7] of integer;a,b,c:integer;beginreadln(a);for b:=1 to 7 dobegin;ar[b]:=a+b-1;writeln(ar[b]);end;end.4)var ar:array[1..6] of integer;b:integer;beginfor b:=1 to 6 dobegin;readln(ar[b]);ar[b]:=ar[b]*2;writeln(ar[b]);end;end.5)var ar:array[1..6] of integer;b:integer;beginrandomize;for b:=1 to 6 dobegin;ar[b]:=random(10);ar[b]:=ar[b]*ar[b];writeln(ar[b]);end;end.