Первая
Program n1;
Uses CRT;
Var a,b,c,k: integer;
begin
Writeln('Vvedite a,b,c');
Readln(a,b,c);
If (a=b)and(b=c) then begin k:=1; writeln('Ravnostoronnij') end else
If (a=b)or(b=c)or(a=c) then begin k:=1; writeln('Ravnobedrennij'); end;
If (sqr(a)=sqr(b)+sqr(c))or(sqr(b)=sqr(a)+sqr(c))or(sqr(c)=sqr(b)+sqr(a))
then begin k:=1; writeln('Pryamoygolnij'); end;
If (a>b+c)or(b>a+c)or(c>a+b) then begin k:=1; writeln('treygolnik nelza sostavit'); end;
If k=0 then writeln('Treygolnik Raznostoronnij');
readln
end.
Вторая
Program n1;
Uses CRT;
Var a,b,c: integer;
begin
ClrScr;
Writeln('Vvedite a,b,c');
Readln(a,b,c);
If (a>0)and(b>0)and(c>0) then writeln('Summa kvadratov=',sqr(a)+sqr(b)+sqr(b));
If (a mod 2=0)or(b mod 2=0)or(c mod 2=0) then writeln('Summa =',a+b+c,', Proizvedenie =',a*b*c);
readln
end.
##
var a := MatrRandom(10, 10, 0, 50);
a.print(4);
var s,i:integer;
s:=0;
for i:= 0 to 9 do
if a[i, 9-i] mod 3 = 0 then
inc(s, a[i, 9-i]);
print('Сумма=',s);
-------------free pascal-------------
var
a:array[0..9, 0..9]of integer;
i, j, s : integer;
begin
randomize;
for i:=0 to 9 do begin
for j:= 0 to 9 do begin
a[i,j]:= random(50);
write(a[i,j],' ')
end;
writeln();
end;
s:=0;
for i:=0 to 9 do
if a[i,9-i] mod 3 = 0 then
s:=s+a[i,9-i];
writeln(s)
end.