7.1. . . 2 :
1) ( );
2) ( ).
. SEBDF (. 7.1).
.
1, - . . .
1. S1E1×A1B1=11;
S1E1×B1C1=21;
S1F1×A1B1=31;
S1F1×B1C1=41.
2. 12; 22 S2E2;
32;42 S2F2.
. 7.1
CDE CDF. 璺 S1B1.
3. S1B1×E1D1=51;
S1B1×F1D1=61;
S2 E2D2;
S252×B2=72;
71≡B1.
4. 62 F2D2;
S262×B2=82;
81≡B1≡71.
2 璺 :
1272;2272;3282;4282 ;
1232;2242;3242;8272
7.2. . . :
1) ;
2) .
, :
1) ;
2) .
, , , .
. (. 7.2).
.
1. :
1222;
1121.
2. 2 ∑:
∑2║;
∑2×2=R2;
∑2×2=r2;
R1×r1=31;31/;
32;32/ O2;
3. ∑2/║;
∑2/× 2=R2/;
∑2/×2=r2/; . 7.2
R1/×r1/=41/;41;
42;42/ ∑2/.
4. 2 . 1 : .
: 11, 31, 31/, 41, 41/ 2 . 42, 42/ - , . 1: 41, 41/, 21, 51, 51/ 2 .
, :
1) ;
2) () ;
|
|
3) .
. (. 7.3).
:
1) 1; , ( ); , -, : . 7.3
1222;
2) 2 1, . , ;
3) 璺 1 ; :
1; 3232/;
4) 1 2-3 2 2, 1:
2;
5) 2 ; 璺 2 ; :
42, 42/;
52, 52/;
6) 璺 124242/3232/5252/22; 2 .
7.3. . . , .
, . , .
. (. 7.4).
:
2, . ║1.
1. ║1.
2. 2║;
2 2;
2×2=R2;
R1×B1=11, 11/;
12, 12/≡B2.
3. 2/║;
2/×22=22, 22/;
2/×22=32, 32/;
21, 21/, 31, 31/.
4. 2// 22. . 7.4
5. 2≡42≡42/; 2≡52≡52/;
41, 41/, 51, 51/.