1. a) var a: array[1..5] of integer b) а[2]=8, а[3]=7, а[4]=6. 2. c:=b[11]; b[11]:=b[14]; b[14]:=c;3. var a: array[1..10] of integer; s,i: integer;begin s:=0; for i:=1 to 10 do begin read (a[i]); s:=s+a[i]; end; writeln (s);end.4.var a: array[1..10] of integer; i: integer;begin for i:=1 to 10 do begin read (a[i]); if a[i]<0 then writeln (a[i]) end end.5.var a: array[1..10] of integer; i: integer;begin for i:=1 to 10 do begin read (a[i]); if a[i]<0 then a[i]:=a[i]*a[i] else a[i]:=a[i]*a[i]*a[i]; write (a[i]:4) endend.