Program p1;
uses crt;
var a,b,i:integer;
begin
for i:=15 to 25 do begin
a:=a+i*i;
b:=i*i;
writeln('Сумма:',a,'(квадрат числа :',i,'=',b,')');
end;
write(a);
end.
Const n=10;
var a:array[1..n] of integer;
i,s1,s2:integer;
begin
Randomize;
writeln('Массив A:');
for i:=1 to n do
begin
a[i]:=random(51);
write(a[i]:4);
end;
writeln;
s1:=0; s2:=0;
for i:=1 to n do
if i mod 2 = 1 then s1:=s1+a[i] else s2:=s2+a[i];
writeln('s1 = ',s1,' s2 = ',s2);
end.
Пример:
Массив A:
21 46 43 5 40 32 26 34 29 48
s1 = 159 s2 = 165
Подробнее - на Znanija.com -
znanija.com/task/22500151#readmore
Program n1;
<span>var a,b,c,s,p:real;
</span><span>begin
</span><span>readln(a);
</span><span>readln(b);
</span><span>readln(c);
</span><span>if (a+b>c) and (a+c>b) and (b+c>a) then
</span><span>begin
</span><span>p:=a+b+c;
</span><span>s:=sqrt(p*(p-a)*(p-b)*(p-c));
</span><span>writeln('периметр=',p);
</span><span>writeln('площадь=',s);
</span><span>end else
</span><span>writeln('треугольник не существует');
</span><span>end.</span>
Var n,i:integer;
begin
for n:=2 to 99 do
begin
for i:=2 to 99 do
begin
if (n+i)=(n*i) then writeln(n,' ',i);
end;
end;
end.<span>
</span>