1.
:
U = XY, I= 56, PX= 2, PY= 2.
?
, .
, X PX = 8:) ; ) .
? ?
.
:
1. ( 0) , :
56 2 X 2 Y
Y 2 X 0 14; Y 0 14.
X 2
2. U 0 = 14 ∙ 14 = 196. : 196 = XY, , : Y =
3. ) X , ( 1):
568 X | 2 Y | |||
Y | X 13,5; Y 114. | |||
X | ||||
:
X = X1 X0 = 3,5 14= -10,5;
Y = Y1 Y0 = 14 14 = 0.
) . . , ., (X0; Y0).
140 . ., 56. : 140 = 8X + 2Y. . ( 3):
1408 X | 2 Y | ||||
Y | X3 | = 8,75 Y3 = 35. | |||
X | |||||
, :
X = X3 X0 = 8,75 14= -5,25;
Y = Y3 Y0 = 35 14 = 21,
:
X =X1 X3 = 3,5 8,75 = -5,25;
Y = Y1 Y3 = 14 35 = 21.
4. X (=8) : I = (8*14 + 2 *14) = 140 . ., ( ) : (140 56) = 84.
( , ) U1 , . E1 U 1 = 3,5×14 = 49, : 49 = XY. U1 4:
|
|
Y | Y | PX | X | 7; Y 47. | ||||||||
X | X | P | X 2 | |||||||||
Y |
I=(2*7 + 2*7)= 28 . .
(56 28) = 28.
: 84 − 28 = 56.
3.3.
2.
X= 4; y= 5. : Y = 2 + 5. : 333 375 . ?
:
( ). 333 375 .. :
4 X | 5 Y | X | 22; Y | 49. | ||
Y | 2 X | |||||
4 X | 5 Y | X | 25; Y | 55. | ||
Y | 2 X | |||||
X 25-22 = 3 ., Y 55-49 = 6 .
3.4.
-
1.
1.
2 . 40 . . 30 , 20 . , , . : :
2 ;
40 .;
3,60, ;
3,60 ., 2 , 40 .
2.
3.2 :
I = 6 .., P = 2.., 1 ..?
3.2
- | U | U | - | U | U |
2.
1.
3 , , Z Px = 2 ., = 1 ., Pz = 4 . , 18. . 3.3:
3.3
- | Ux | MUx | MUx/ | Uy | MU | MU/ | Uz | MUz | MUz/z |
2.
|
|
. , . . , , . . 15 . , 1 ., - 0,75 . ?
3.
1.
3.4 , , ( ) 1 ., ( ) 2 . .
. , , , 40 .
3.4
- 1 | - 2 | ||
7.5 | 7.5 |
2.
3 , , Z Px = 2 ., = 1 ., Pz = 4 . , 38 . . (. 3.5):
3.5
- | Ux | MUx | MUx/ | Uy | MU | MU/ | Uz | MUz | MUz/z |
4.
1.
3.6 3
3.6
I | II | III | |||
:
3 , .
, , 20 ., , 0,5 .
.
2.
3.7 , 100 . . = 4 ., = 2 . , , .
|
|
3.7
U1 | U1 | U2 | U2 |
5.
1.
, 150 . , = 3 ., = 5 . . , , , 180 ., 2 ., 6.
2.
3.8 , 50 . () (). 10 ., 5 . , , .
3.8
U1 | U1 | U2 | U2 |
6.
1.
2 .. ( ). : ) = 0,5 .. , = 1 .. .;
) = 0,2 .. , = 1 .. .; ) = 0,2 .. , = 0,5 .. .; ) = 1 .. , = 1 .. . , .
2.
3.9 , 60 . ( = 1 .) ( = 2 .). , , , .
3.9
U1 | U1 | U2 | U2 |
10,5 | 7,5 |
7.
1.
3.10 , 87 . ( = 2 .) ( = 3 .). , , , .
3.10
U1 | U1 | U2 | U2 |
2.
20 . . , :
) 2 ., -1 .;
) 2.5 ., 1 .;
) 2 ., 0,8 .;
) , 10.
8.
1.
. 500 . . 15 . , 50 . . , : ) 2 , ; ) 750 ., ; ) 750 ., 2 .
|
|
2.
3.11 , 320 . . = 8 ., = 4 . , , .
3.11
U1 | U1 | U2 | U2 |
9.
1.
. 3.12. 87 . , 12 9 . . . .
3.12
(Q), | U | U |
2.
3.13 , 87 . ( = 2 .) ( = 3 .). , , , .
3.13
U1 | U1 | U2 | U2 |
10.
1.
15 ., 10 . 2400 . 3.14:
3.14
. , .
2.
3.15 , 60 . . = 3 ., = 2 . , , .
3.15
U1 | U1 | U2 | U2 |