program sr;const n=10;var a,b,c:array[1..n] of integer; d:array[1..n] of real; i,k:integer; begin randomize;for i:=1 to n do begin a[i]:=random(15); b[i]:=random(15); c[i]:=random(15); d[i]:=(a[i]+b[i]+c[i])/3 end; for i:=1 to n do begin write (a[i],' ',b[i],' ',c[i],' ',d[i]:2:2); writeln; end; end.