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(3)
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iness, his own restaurant. At
Adam wasn't interested inTraveller
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lian restaurant. He couldn't
(3)
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iness, his own restaurant. At
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lian restaurant. He couldn't
(3)
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iness, his own restaurant. At
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(3)
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iness, his own restaurant. At
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lian restaurant. He couldn't
(3)
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iness, his own restaurant. At
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lian restaurant. He couldn't
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iness, his own restaurant. At
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{ Треугольник задан координатами вершин (x1;y1),(x2;y2),(x3;y3).
Найти площадь треугольника (используя формулу Герона) }
uses crt;
var x1,x2,x3,y1,y2,y3,a,b,c,s,p : real;
begin
clrscr;
write('x1=');readln(x1);
write('y1=');readln(y1);
write('x2=');readln(x2);
write('y2=');readln(y2);
write('x3=');readln(x3);
write('y3=');readln(y3);
a:=sqrt(sqr(x1-x2)+sqr(y1-y2));
b:=sqrt(sqr(x2-x3)+sqr(y2-y3));
c:=sqrt(sqr(x3-x1)+sqr(y1-y3));
p:=(a+b+c)/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
write('s=',s);
readln;
end.
формула герона!
А так я думаю эти задачки очень даже не сложные, только формулы надо знать!! !
периметр- это сумма всех сторон
например
begin
writteln( 'введите 3 стороны' ) ;
readln(a,b,c);
writeln(' периметр = ',a+b+c);
readln;
end.
Вот и все!! !
Удачи!
Объяснение:
1) Мощность алфавита вычисляется по формуле N=
,i- вес одного символа.
объем текста равен V=a*i, где a - количество символов.
N=
=256 символов
2) Узнаем сколько символов всего a=16*32=512
Вес одного символа равен логарифму 512 по основанию 2=9 бит
V=9*300=2700 бит
3)Для нахождения количество символов в стоке нужно: Информационный объем разделить на произведение на количество страниц и на количество строк и на вес одного символа
a=
символов в каждой строке