1. 4 . , ( : CD-R CD-RW).
2. (. 1) : , , , , , . .
3. . .
4. , , .
5. . .
6. .
: , 4 ( , , switch, ).
: , , , , , .
( ).
: , - , , Excel, .
1.
1
| 
| ||
| 
| ||
| 
| ||
| 
| ||
| 
| ||
| 
| ||
| 
| ||
| 
|
2.
2
| x > 1 x ≤ 1 | a = 20.3 | |
| x  0
0<x 1
x>1
| __ | |
| x < 1.2 x = 1.2 x > 1.2 | a = 2.8 b = -0.3 c = 4 | |
| 1 ≤ t ≤ 2 t < 1 t > 2 | a = - 0,5 b = 2 | |
| x < 1.4 x = 1.4 x > 1.4 | a = 1.65 | |
| x < 1.3 x = 1.3 x > 1.3 | a = 1.5 | |
| x < 1 x = 1 1< x< 2 x > 2 | a = 2.3 | |
| x < 0.5 x = 0.5 x > 0.5 | t = 2.2 | |
| x -1
-1<x 1
x>1
| __ | |
| x > 3.5 x ≤ 3.5 | __ | |
| x < a x = a x > a | a = 2.5 | |
| x 0
0<x 1
x>1
| b = 2 | |
| x -1
x > -1
| __ | |
| bx < 1 bx = 1 bx > 1 | b = 1.5 | |
| x < 2.8 2.8 ≤x< 6 x ≥ 6 | a = 2.6 b = -0.39 | |
| x > 1 x ≤ 1 | a = 0.9 | |
| i < 4 4 ≤i≤ 6 i > 6 | a = 2.1 b = 1.8 c = -20.5 |
switch 3.
|
|
|
3
| , , , | ||||||||||||||||
, ( , ). . (, , )
. : 423 ( ) 3
: 2,20 . 6,60 . | ||||||||||||||||
| L, S, V ; ; | ||||||||||||||||
| . | ||||||||||||||||
| , 0..24, | ||||||||||||||||
| . : | ||||||||||||||||
| N 20 30 " N ", , N "" "" "" | ||||||||||||||||
| 0 5. | ||||||||||||||||
| : 1 ; 2 ; 3 . 50 ., 70 ., 200 . , n | ||||||||||||||||
| . | ||||||||||||||||
| : 1 R; 2 D = 2 R; 3 L = 2 R; 4 S = R 2. . | ||||||||||||||||
| K. - , K (1 ; 2 ; 3 ; 4 ; 5 ). K 15, | ||||||||||||||||
| 112 (1 ; 2 . .). (, , , ) | ||||||||||||||||
| 112 (1 ; 2 . .). | ||||||||||||||||
| : 1 ; 2 ; 3 ; 4 . N ( 14) A B (B 0). | ||||||||||||||||
| 0 7. , (1 ; 2 . .) | ||||||||||||||||
| . |
4.
|
|
|
4
| , | |
| , n . | |
| , n . | |
| , n : 1,3,5,7 | |
, n :
| |
| , | |
| , | |
,
 -2 2, 0,5.
| |
| , 5 . | |
| , . | |
| , . | |
| , , . . . | |
| , 10 1 10, . | |
| , 1 10, | |
| , , , 100 1 100 . | |
, 
-4 4, 0,5.
| |
,
-4 4, 0,5.
|
1.
, , , .
1
|
|
|
:
S = 1+ x + 
+ 
+ 
G = x(sin(x³) + cos²(y))
= 0,335, = 0,025.
- (. 1).
| G |
| = 0,335; = 0,025 |
S = 1+ x +  +  + 
|
| G = x (sin(x³) + cos²(y)) |
| S |
. 1. - 1
-, 1:
1 ;
2 ;
3 S;
4 G;
5 S;
6 G;
7 .
#include "stdafx.h"
#include <iostream>
#include "conio.h"
#include <math.h>
int _tmain(int argc, _TCHAR* argv[])
{setlocale(0,"rus");
float s,g,x,y;
x=0.335; y=0.025;
s=1+x+((x*x)/(1*2))+((pow(x,3))/(1*2*3))+((pow(x,4))/(1*2*3*4));
g=x*(sin(pow(x,3))+pow(cos(y),2));
printf("s=%f\n",s);
printf("g=%f\n",g);
getch();
return 0;
}
. 2. 1
Excel (.3, .4)
. 3. 1 ()
. 4. 1 ()
, , ++, , Excel, . , .
2.
, , .
(), , ( ), (), , ( ).
2
:
1 < < 1,2; x = 1,2; 1,2 < x <1,5.
=0,2.
| = 2,8; b = -0,3; c = 4; x = 0; z=1,2 |
| = 1; < 1,5; x+=0,2 |
| w = ax² + bx + c |
| w |
| x += 0,2 |
| < z |
| == z |
w =  + 
|
| w |
| x += 0,2 |
w = 
|
| w |
| x += 0,2 |
. 5. - 2
-, 5:
1 ;
2 a, b, c, x z;
3 , 1 1,5 0,2;
4 , x < 1,2;
5 w;
6 w;
7 0,2;
8 , x > 1,2;
9 w;
10 w;
11 0,2;
12 w;
13 w;
|
|
|
14 0,2;
15 .
#include "stdafx.h"
#include <iostream>
#include "conio.h"
#include <math.h>
int _tmain(int argc, _TCHAR* argv[])
{setlocale(0,"rus");
float x,w,a,b,c,z;
a=2.8; b=-0.3; c=4; x=0; z=1.2;
for(x=1;x<1.5;x+=0.2)
{
if (x<z)
{
w=a*x*x+b*x+c;
printf("w= %f\n\n",w);
}
else
{
if (x==z)
{
w=a/x+sqrt(x*x+1);
printf("w= %f\n\n",w);
}
else
{
w=(a+b*x)/sqrt(x*x+1);
printf("w= %f\n\n",w);
}
}
}
getch();
return 0;
}
. 6. 2
Excel (.7, .8, .9)
. 7. 2 ()
. 8. 2 ()
. 9. 2 ()
, , ++, , Excel, . , .
3.
switch .
3
: 1 , 2 , 3 . 50 ., 70 ., 100 . , n .
- (. 10)
| y1 |
| y2 |
| y3 |
| y1 = 50 * n; y2 = 70 * n; y3 = 100 * n |
| x |
| n |
| x=1 |
| x=2 |
| x=3 |
. 10. -
-:
1 ;
2 , n;
3 , , (y1, y2, y3);
4 , x;
5 , x=1 ();
6 y1 ( );
7 , x=2 ();
8 y2 ( );
9 , x=3 ();
10 y3 ( );
11 x 1, 2, 3, ;
12 .
#include "stdafx.h"
#include <iostream>
#include "conio.h"
#include <math.h>
int _tmain(int argc, _TCHAR* argv[])
{ setlocale(0,"rus");
int n,x,y1,y2,y3;
printf(" \n");
scanf("%i",&n);
y1=50*n;
y2=70*n;
y3=100*n;
printf(" : 1 - , 2 - , 3 - \n");
scanf("%i",&x);
switch (x)
{ case 1:puts(" . 1 50 .");
printf(" %i",y1);printf(" ");break;
case 2:puts(" . 1 70 .");
printf(" %i",y2);printf(" ");break;
case 3:puts(" . 100 ");
printf(" %i",y3);printf(" ");break;
default:puts(" 1 3"); }
getch();
return 0; }
11, 12, 13, 14.
. 11. 1
. 12. 2
. 13 3
.14. 4
4.
, , , ().
, , .
4
, -4 4. 0,5.
y = 2x² - 5x 8
|
|
|
| x1 = -4; x2 = 4; dx = 0,5 |
| x = x1 |
| < = x2 |
| x |
| y = 2x²-5x-8 |
| y |
| x += dx |
. 15. - 4
-, 15:
1 ;
2 x1 ( ), 2 ( ), dx ( );
3 ;
4 , ;
5 ;
6 ;
7 ;
8 ;
9 .
#include "stdafx.h"
#include <iostream>
#include "conio.h"
int _tmain(int argc, _TCHAR* argv[])
{setlocale(0,"rus");
float x,dx,x1,x2,y;
x1=-4;
x2=4;
dx=0.5;
x=x1;
printf("--------------------------\n");
printf(" x | y\n");
printf("--------------------------\n");
while(x<=x2)
{
y=2*x*x-5*x-8;
printf(" %6.1f |%6.f\n",x,y);
x+=dx;
}
printf("--------------------------\n");
getch();
return 0; }
. 16. 4
Excel (.17)
. 17. 4
, , ++, , Excel, . , .
1. .. /++ . .: -, 2006. 288 .: .
2. ., ., . . .: , 2006.
3. ., ., . . : . . .: , 2006. 512 .
4. .. . ./... 3- ., . .: -, 2007. 458.: .
1
| ... , ___ (): .. -1 _________________________ : . . .. _________________________ _________________2012 . 2012 |
