, .
:
GOTO < >;
GOTO - , < >,
< > , .
. Pascal ABC .
:
LABEL m1, loop;
VAR a, b, c, d: word;
BEGIN
m1: a: = b+c*d;
...
goto m1;
loop: END.
LABEL. .
, , , . GOTO (, ). () .
GOTO. , , .
, . GOTO .
IF
. y(x) , x.
xÎ [-10,5]
= 1. 5, b = 0. 5.
1.
1
, ( 1):
Program Lr2;
Label m1, 10;
Const A = 1.5; B = 0.5;
var x, y: real; //
Begin
m1: read(x); // x
IF (x < -10) or (x>5) then goto m1;
IF x<0 then begin y: = a*x+b; goto 10 end;
if (x >= 0) and (x<=2) then y: =A*SQR(x)*LN(x+1);
if x>2 then y: = EXP(A*x+1)*COS(B*x);
10: writeln(' x= ', x: 8: 1, ' y= ', y: 8: 2); // x y
nd.
5. , . , IF ELSE, IF (x <= 2) IF.
1. , :
|
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1. t [0,3], at2lnt 1 £ t £ 2,
a = -0.5,b = 2 z = 1 t < 1,
eatcosbt t > 2,
2. x [0,4], x > 2,
= 2.3 f = 0.3 < x £ 2,
cos(x-a) x £ 0.3,
3. x [0,7], (a+b)/(ex+cosx) 0 £ x < 2.3,
a = -2.7,b = -0.27 z = (a+b)/(x+1) 2.3 £ x < 5,
ex+sinx 7 ³ ³ 5,
4. i [7,12], ai4+bi I < 10,
a = 2.2,b = 0.3. y = tg(i+0.5) I = 10,
e2i+ I > 10,
5. x [0.9,5], x2-7/x2 x < 1.3,
a = 1.5 y = ax3+7 1.3 £ x < 3,
lg(x+7 ) x ³ 3,
6. t [-1.4], t < 0.1,
a = 2.1,b = 0.37. z = at+b 0.1 £ t < 2,
t ³ 2,
7. x [0,6], a esinx+2.5 x < 0.3,
a = 1.5. y = ecosx+a 0.3 £ x < 4,
(sin x)/(a+ex) x ³ 4,
|
a = 1.8,b = -0.5, c = 3.5 (a+bx)/ x > 1.2,
9. t [1,5], t t > a,
a = 2.5 z = t sin at t = a,
e-at cos at t < a,
10. x [0,4], e-bx sin bx x < 2.3,
a = 1,b = 3 y = os bx 2.3 £ x £ 3,
e-ax cos bx x ³ 3,
11. t [0.5,3], at2-b t < a,
a = 1.3, b = 6.5 z = a-b a £ t £ b,
a t2/3- t > b,
12. x [0,2], |e-2x sin bx| x >1,
b = -2.9 y = cos bx x = 1,
e-x cos bx x < 1,
13. x [0.5,2] sin (cos ax) x >1,
a = -0.8 z = tg ax x = 1,
a2 x x < 1,
14. x [1,2], ln bx - 1/(bx+1) x < 1.3,
b = 1.3 y = bx + 1 1.3 ³ x ³ 1.7,
ln bx +1/(bx+1) x > 1.7,
15. x [-1,1], ax2+bx2/3 x < 0.1,
a = 2.5,b = -0.9 z = a x2 x = 0.1,
b x2/3 x > 0.1.
2.
1. (x, y). , .
2. R1, R2 . : , S . R1 = R2 , R1 = 0 R2 = 0 (hπr2) πr() .
3. . , .
4. . , , .
5. a, b, h. h = 0, ; a = b, ; .
6. 3- , , Z 0.3.
7. : , . : D = max (A+, B2, C+);
8. 3 . . , , .
9. d=a+, , d=a×, , .
10. .
11. : , . : = (+, , 2)
12. : . =+, =*, .
13. # . , .
|
|
14. N, , N .
15. :
16. : .
17. , , . ≤ ≤ , , > > , , .
18. .
19. , , .
20. : (++Z, XYZ)+3
21. : MIN (X2 +Y2, Y2 + Z2, X2+Z2) 4
22. : MAX (XY, YZ, XZ) +20
23. : MIN (X2, YZ, Z2) 15
24. : MAX (XZ-Y, ZY-X, XY-Z) + 10
25. : MIN (XZY, Y2, Z2) XZY
26. , , .
27. , , .
28. , , .
29. .
30. .