. 3. ..
-; , .
:
1) ,
2) .
. 7-9 , . 3, . 1-1, .
= 1 8 ( ), (. 3, ), , . N7-9 , , , 6:
S6 = RA× 3d N7-9 h = 0,
N7-9 = 3RA d/ h.
, = 1 N7-9 RA, 3d/ h. , 3RA d 6 , 6.
N7-9 ( = 1 RA , 3d/h. , 3d/h, ; 1b (. 3, ).
, , 5, 10, 12, 14 16. 8 16.
= 1, , 7-9 (. 3, ):
S 6 = RB. 5d + N7-9 h = 0,
N7-9 = 5 RBd/h,
. . 79 R, 5d/h . 5RBd , 6.
N7-9 , 6, : , 5d/h, ( b1 . 3, ). ; 1, 2, 4 6. 1 6.
N7-9
N7-9 = 60/ h,
( , , ) 1/h. ab1 u a1bL ( ), , ( ). , = 1 6 8 , .
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1) ( , ) a/h, , h ;
2) ;
3) ;
4) , ;
5) ;
6) ;
7) .
.
, , , (. 5, ), , .
. 5.
, , , .
, , 3 (. 6), , (. 7). , . . , .
, , . 8, . . , , , .
10 11 4 2
. 8 . 6 . 7