Формулы: C=2πR, S=πR²
program zadacha;
uses crt;
var r: integer;
c, s: real;
begin
clrscr;
write ('vvedite radius: ');
readln (r);
c:=2*pi*r;
s:=pi*sqr(r);
writeln ('dlina okruzhnosti=', c:0:5, ', ploschad=', s:0:5);
readkey;
end.
5A316 = 3·160+10·161+5·162
= 3·1+10·16+5·256 = 3+160+1280 = 144310
0hex
=
0dec
=
0oct
0
0
0
0
1hex
=
1dec
=
1oct
0
0
0
1
2hex
=
2dec
=
2oct
0
0
1
0
3hex
=
3dec
=
3oct
0
0
1
1
4hex
=
4dec
=
4oct
0
1
0
0
5hex
=
5dec
=
5oct
0
1
0
1
6hex
=
6dec
=
6oct
0
1
1
0
7hex
=
7dec
=
7oct
0
1
1
1
8hex
=
8dec
=
10oct
1
0
0
0
9hex
=
9dec
=
11oct
1
0
0
1
Ahex
=
10dec
=
12oct
1
0
1
0
Bhex
=
11dec
=
13oct
1
0
1
1
Chex
=
12dec
=
14oct
1
1
0
0
Dhex
=
13dec
=
15oct
1
1
0
1
Ehex
=
14dec
=
16oct
1
1
1
0
Fhex
=
15dec
=
17oct
1
1
1
1
Ответ:
№1
- 1001010 в 2
- 171 в 8
- 101 в 16
№2
- 5 единиц
№3
- 1 ноль
№4
- 144 в 8
Подробное решение на фотографиях