Const N = 4;Var A:array[1..N,1..N] of real; B,X,AX:array[1..N] of real; i,j:integer; S:real;BeginRandomize;Write('B(',N,'):');For i:= 1 to N do Begin B[i]:=random(721)-360; Write(' ',B[i]:4) End;WriteLn;Write('X(',N,'):');For i:= 1 to N do Begin X[i]:=random(721)-360; Write(' ',X[i]:4) End;WriteLn;WriteLn('A(',N,',',N,'):');For i:= 1 to N do Begin Write(' '); For j:= 1 to N do Begin A[i,j]:=random(721)-360; Write(' ',A[i,j]:4) End; WriteLn; End;WriteLn;Write('AX:');For i:= 1 to N do Begin AX[i]:=0; For j:= 1 to N do Begin AX[i]:=AX[i]+A[i,j]*X[j]; End; Write(' ',AX[i]) End;WriteLn;Write('AX+B:');For i:= 1 to N do Begin X[i]:=AX[i]+B[i]; Write(' ',X[i]) End;WriteLn;Write('|Ax+b| = ');S:=0;For i:= 1 to N do Begin S:=S+X[i]*X[i]; End;WriteLn(Sqrt(S))End.Пример:B(4): -51 179 276 -273X(4): -272 -261 -57 304A(4,4): -169 -94 245 -346 -351 -176 280 1 -193 -330 219 -54 338 -57 -44 -328AX: -48647 125752 109727 -174263AX+B: -48698 125931 110003 -174536|Ax+b| = 246563.556248688