Первая

Код:
Program DZ1;
type matr=array[1..6,1..6] of real;
var a,b,c,d,e:matr;
    i,j,k:byte;
    p,min:real;
    q:integer;
     Procedure vivod (ch:char;M:MATR;N:byte);
      Begin
      writeln ('Matrica ',ch);
      For i:=1 to 6 do
       Begin
        For j:=1 to 6 do
         write(m[i,j]:8:n);
         writeln
       end;
      readln
      end;
Begin
For i:=1 to 6 do
 For j:=1 to 6 do a[i,j]:=(i+j)*sin(j)/cos(i);
vivod ('A',a,2);
b:=a;
For i:=1 to 6 do
for j:=1 to 6 do
for k:=1 to 6 do
begin
If(b[i,j]<b[i,k]) then
begin
p:=b[i,j];
b[i,j]:=b[i,k];
b[i,k]:=p;
end;
end;
vivod('B',b,2);
 for i:=1 to 6 do
  for j:=1 to 6 do c[i,j]:=1;
 for i:=1 to 6 do
  for j:=1 to 6 do
   Begin
    if (j=1) and (i>1) and (i<6) then c[i,j]:=0;
    if (j=2) and (i>2) and (i<5) then c[i,j]:=0;
    if (j=5) and (i>2) and (i<5) then c[i,j]:=0;
    if (j=6) and (i>1) and (i<6) then c[i,j]:=0;
   end;
vivod('C',c,2);
 for i:=1 to 6 do
  for j:=1 to 6 do
   begin
    d[i,j]:=0;
     for k:=1 to 6 do
      d[i,j]:=d[i,j]+b[i,k]*c[k,j];
   end;
vivod('D',d,2);
e:=d;
For i:=1 to 3 do
 For j:=3 to 6 do
  e[i,j]:=d[i+3,j-3];
For i:=4 to 6 do
 For j:=1 to 3 do
  e[i,j]:=d[i-3,j+3];
vivod('E',e,2);
min:=e[1,1];
For i:=1 to 6 do
  if e[i,i]<min then min:=e[i,i];
write('Minimal element glavnoy diagonali = ',min:2:2);
readln;
end.

Вторая

Код:
Program DZ2;
const ni=10; mj=9; lk=8;
type mas = array [1..15] of real;
var s,t,a,b,z,c:real;
    n,m,l:mas;
    i,j,k,r:integer;
function f(x,y:real):real;
 begin
  f:=abs(x)+x*y+abs(y);
 end;
function p(r:integer):real;
 begin
  if (r=1) then p:=1 else
   p:=p(r-1)+z*sqr(i);
 end;
function h(r:integer):real;
 begin
  if r=1 then h:=1 else
  h:=h(r-1)+p(r-1)/z;
 end;
procedure s_m(si:integer;var ms:mas;Sm:char);
 begin
  writeln('Ischodniy Massiv ',Sm);
  for r:=1 to si do
   begin
    ms[r]:=random(5)-r;
    write(ms[r]:3:0);
   end;
  readln;
  writeln;
 end;
procedure deyst(si:integer;ms:mas;Sm:char;abc:real);
 begin
  writeln('Polu4eniy Massiv ',Sm);
  for r:=1 to si do
   begin
    if frac(ms[r]/2)<>0 then
    Begin
     ms[r]:=ms[r]*abc;
    end;
    write(ms[r]:7:2);
   end;
  readln;
  writeln;
 end;
Begin
 randomize;
 write('Vvedite s,t: ');
 readln(s,t);
 a:=f(sqr(s),sqrt(t));
 b:=f(t,s+4);
 writeln('a = ',a:5:2,' b = ',b:5:2);
 write('Vvedite z: ');
 readln(z);
 c:=p(8)+h(9);
 writeln('c = ',c:6:2);
  s_m(ni,n,'N');
  s_m(mj,m,'M');
  s_m(lk,l,'L');
  deyst(ni,n,'N',a);
  deyst(mj,m,'M',b);
  deyst(lk,l,'L',c);
 readln
End.