1. A B: (A2, B2) 1 1`, 2 2`, 3 3` (12, 1`2, 22, 2`2,32, 3`2) , Q | |
2. A, B, 1 3 1`3` |
. 7.6
3. A1, B1, 1131 11`31`. |
4. (. 7.25):
24, x` 24;
A2, B2, 1232 x`;
x` Ax, Bx, 1x3x;
Ax, Bx, 1x3x , A, B, 1 3 1`3` 1;
.
Q.
12 . , l.
l .
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1. . : , , , .
2. .
3. (. 7.26):
3.1. l Δ.
3.2. 12, 22, 32, 42, Δ2 .
3.3. 1, 2, 3, 4 ( 11, 21, 31, 41). 1Î AA`Þ11Î A1A`1; 2Î BB`Þ 21Î B1B`1; 3Î CC` Þ Þ 31Î C1C`1; 4Î DD`Þ41Î D1D`1. , . (1-2-3-4) =
= ABCD A`B`C`D`∩Δ.
3.4. l∩ABCD A`B`C`D` (1-2-3-4) = M,N, M N: MÎ 1-2 Þ M1Î 11-21; NÎ 1-2 Þ N1Î 21-31; MÎ 1-2 Þ M2Î 12-22;
NÎ 1-2 Þ N2Î 22-32. l.
12 . l.
l .
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1. . : , , , .
2. .
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3. (. 7.27).
3.1. l Σ.
3.2. 12, 32, 3`2 52, Σ .
3.3. 1, 3, 3`, 5 ( 11, 31, 3`1 51) . 1 5 . . 12 52 . 3 3` .
.7.27 12
3.4. Σ, . , 2,2`, 4 4`. .
4. 11, 21, 2`1, 31, 3`1, 41, 4`1, 51 .
5. M N. M1 N1 , l . M N. l.
& [211].
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