//1a
Var
i,x1,x2:integer;
begin
for i:=10 to 99 do
begin
x1:=i mod 10;
x2:=i div 10;
if (sqr(x1)+sqr(x2)) mod 13=0 then writeln(i);
end;
end.
//1б
Var
i,x1,x2:integer;
begin
for i:=10 to 99 do
begin
x1:=i mod 10;
x2:=i div 10;
if x1+x2+sqr(x1+x2)=i then writeln(i);
end;
end.
//2
Var
i,n,a,k1,k2:integer;
begin
readln(n);
for i:=1 to n do
begin
readln(a);
if a<1985 then k1:=k1+1;
if a>1990 then k2:=k2+1;
end;
writeln('Родившиеся до 1985:',k1);
writeln('Родившиеся после 1990:',k2);
end.
S=((a1+a90)/2)*n=54.5*90=4095
1)var
a,b,h:real;
begin
readln(a);
readln(b);
readln(h);
while a<b do
begin
writeln(a,' ',2*cos(a)-1:8);
a+=h;
end
<span> end.
2)</span>var
eps,sum,current,n:real;
begin
readln(eps);
sum:=0;
n:=0;
repeat
current:=2*n-1/power(2,n);
n+=1;
sum+=current;
until current>eps;
writeln(sum);
<span>end.</span>
Еж-ежик......................
DIM A%
CLS
OPEN "ABC.txt" FOR INPUT AS #1
INPUT #1, A
PRINT "Pervoe = ", A
WHILE NOT (EOF(1))
INPUT #1, A
WEND
PRINT "Poslednee = ", A
CLOSE #1
END
Примечание: файл ABC.txt должен лежать в одной папке с программой.
SUB CNM (N, M, C)
C = 1
FOR i = M-N+1 TO M
C = C*i
NEXT i
FOR i = 1 TO N
C = C/i
NEXT i
END SUB
CLS
DIM C&, N%, M%
N = 3
M = 10
CALL CNM(N, M, C)
PRINT C
END