uses crt;
const n=5;
var a:array[1..n,1..n] of real;
i,j:integer;
s,sr:real;
begin
ClrScr;
Randomize;
for i:=1 to n do
begin
for j:=1 to n do
begin
a[i,j]:=-10+random(20);
Write(a[i,j]:6:1);
end;
Writeln;
end;
Writeln;
for i:=1 to n do
begin
s:=0;
for j:=1 to n do
s:=s+a[i,j];
sr:=s/n;
Writeln(i,': ',sr:0:1);
for j:=1 to n do
a[i,j]:=a[i,j]/sr;
end;
for i:=1 to n do
begin
for j:=1 to n do
Write(a[i,j]:6:1);
Writeln;
end;
Readln;
end.