Найдите корни уравнения 10х^2 + 3х -13 = 0 (х^2 = х в квадрате

D=9-4•10•(-13)=9+(40•13)=9+520=529=23^2
Х1=-3+23/2•10=20/20=1
Х2=-3-23/2•10=-26/20=-1,3

VAR
i, j: Integer;
a: Array [1..10] of Array [1..10] of Integer;
BEGIN
for i := 1 to 10 do
for j := 1 to 10 do a[i][j] := j*j;

for i := 1 to 10 do begin
for j := 1 to 10 do Write(a[i][j],' '); Writeln; end;
END.

VAR
i, j: Integer;
a: Array [0..4] of Array [1..4] of Integer;
BEGIN
for i := 1 to 4 do
for j := 1 to 4 do begin
a[i][j] := Random(7)+12;
a[0][j] := a[0][j] + a[i][j];
end;

for i := 1 to 4 do begin
for j := 1 to 4 do Write(a[i][j],' '); Writeln; end;

Writeln;
for i := 1 to 4 do Write(a[0][i],' ');
END.

VAR
i, j: Integer;
a: Array [0..7] of Array [1..7] of Integer;
BEGIN
for i := 1 to 7 do
for j := 1 to 7 do begin
a[i][j] := Random(7)+12;
if (a[i][j] < 14) then Inc(a[0][j]);
end;

for i := 1 to 7 do begin
for j := 1 to 7 do Write(a[i][j],' '); Writeln; end;

Writeln;
for i := 1 to 7 do Write(a[0][i],' ');
END.

VAR
i, j: Integer;
a: Array [0..3] of Array [1..3] of Integer;
BEGIN
for i := 1 to 3 do
for j := 1 to 3 do Read(a[i][j]);

for i := 1 to 3 do begin
a[0][i] := a[1][i]; a[1][i] := a[2][i];
a[2][i] := a[0][i]; end;

for i := 1 to 3 do begin
for j := 1 to 3 do Write(a[i][j],' '); Writeln; end;
END.

VAR
i, j, m: Integer;
a: Array [1..5] of Array [1..5] of Integer;
BEGIN
for i := 1 to 5 do
for j := 1 to 5 do begin
a[i][j] := Random(5)+1;
end;

for i := 1 to 5 do begin
for j := 1 to 5 do Write(a[i][j],' '); Writeln; end;

m := 6;
for i := 1 to 5 do
for j := 1 to 5 do
if (i > j)and(m > a[i][j]) then m := a[i][j];

Writeln(a[i][j]);
END.

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Дешевая клавиатура - 400
Дешевая мышь - 400

Итого 33500 руб. - 1500 на мороженное.