<span>Uses crt;
var a,b,c:integer;
begin
read(a);
read(b);
read(c);
if ((a+b)>c) and ((a+c)>b) and ((b+c)>a) then
begin
if ((a=b) and (b<>c)) or ((a=c) and (c<>b)) or ((b=c) and (c<>a)) then writeln('Triangle is isosceles');
if (a=b) and (b=c) and (a=c) then writeln('Triangle is equilateral');
if (a<>b) and (a<>c) and (b<>c) then writeln ('Triangle is scalene');
end
else writeln('Triangle is invalid');
end.</span>
1 задача
var a, b, s, i, k:integer;
z:array[1..10] of integer;
begin
s:=1;
For i:=1 to 10 do
begin
z[i]:=random(16)-10;
if z[i]<0 then
begin
k:=sqr(z[i]);
s:=s*k;
end;
end;
For i:=1 to 10 do
begin
write (z[i], ' ');
end;
writeln ();
writeln ('Произведение квадратов равно ', s);
<span>end.</span>
Const n=6;
var a:array[1..n,1..n] of integer;
i,j:integer;
begin
for i:=1 to n do
for j:=1 to i do a[i,j]:=n-i+j;
for i:=1 to n do
begin
for j:=1 to n do write(a[i,j]:3);
writeln;
end;
end.
Пример:
6 0 0 0 0 0
5 6 0 0 0 0
4 5 6 0 0 0
3 4 5 6 0 0
2 3 4 5 6 0
1 2 3 4 5 6
1.
₂ ₁ ₀
246₇=7²×2+7×4+7⁰×6=98+28+6=132₁₀
2.
3213÷16=200÷16=12÷16
13 8 12
12813₁₆=C8D₁₆
3.
A2=8,B2=8,C2=4
D2=A1*2
4.
D1=5×$A5÷(3×E2-C$1)
B4=5×$A8÷(3×C5-A$1)