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01.// ++
02.//
03.// ,
04.
05.#include <iostream>
06.
07.using namespace std;
08.
09.int main()
10.{
11. const float p = 3.14159;
12. float radius;
13.
14. cout << "Vvedite radius kruga: \n";
15. cin >> radius;
16.
17. cout << "Diametr kruga raven " << 2 * radius << endl;
18. cout << "Dlina okrushnosti ravna " << 2 * p * radius << endl;
19. cout << "Ploshad' kruga ravna " << p * radius * radius << endl;
20.
21. return 0;
22.}
, , . , ..
1.cout << "Diametr kruga raven " << 2 * radius << endl;
2.cout << "Dlina okrushnosti ravna " << 2 * p * radius << endl;
3.cout << "Ploshad' kruga ravna " << p * radius * radius << endl;
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01.// ++
02.//
03.// ,
04.
05.#include <iostream>
06.
07.//
08.void print (float);
09.
10.using namespace std;
11.
12.int main()
13.{
14. float radius;
15.
16. cout << "Vvedite radius kruga: \n";
17. cin >> radius;
18.
19. //
20. print (radius);
21.
22. return 0;
23.}
24.
25.//
26.void print (float r)
27.{
28. cout << "Diametr kruga raven " << 2 * r << endl;
29. cout << "Dlina okrushnosti ravna " << 2 * 3.14159 * r << endl;
30. cout << "Ploshad' kruga ravna " << 3.14159 * r * r << endl;
31.}
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1.
2.print (radius);
print. .. ... , ,
1.//
2.void print (float r)
3.{
4. cout << "Diametr kruga raven " << 2 * r << endl;
5. cout << "Dlina okrushnosti ravna " << 2 * 3.14159 * r << endl;
6. cout << "Ploshad' kruga ravna " << 3.14159 * r * r << endl;
7.}
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1.return 0;
1.void print (float);
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1.void print (float r)
2.{
3. cout << "Diametr kruga raven " << 2 * r << endl;
4. cout << "Dlina okrushnosti ravna " << 2 * 3.14159 * r << endl;
5. cout << "Ploshad' kruga ravna " << 3.14159 * r * r << endl;
6.}
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1.
2.print (radius);
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01.//
02.
03.#include <iostream>
04.#include <math.h>
05.
06.void print (double);
07.
08.using namespace std;
09.
10.int main()
11.{
12. double var, temp;
13.
14. cout << "Vvedite celoye chislo: ";
15. cin >> var;
16.
17. temp = sqrt(var);
18. print(temp);
19.
20. temp = fabs(var);
21. print(temp);
22.
23. temp = cos(var);
24. print(temp);
25.
26. return 0;
27.}
28.
29.void print (double v)
30.{
31. cout << "Result: " << v << endl;
32.}
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