5.
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. 5.1
, : U 1 (, , ) = 3. , "" , .
: , , . , . , . , . , . , : , , . , . . , , . .
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. , , : " ?" , (-3, -2) , . (4, 4) , , , .
. . , , 3:
N St | |||
- | I. N 1 = St 1 = St 2 = P N 2 | II. N = St 1 = St2 = P | |
III. N = St 1 = St2 P | |||
IV. N 1 = St 1= P 1 (N 2 = St 2 = P 2) | V. N = St 1 + P 1 (St 2 = P 2) | VII. S t1 = P 1 (St 2 = P 2) | |
VI. N = St 1, (St 2 = P) | VIII. St 1 = P St 2 |
I : , . , , :
, " "4 . , , . " " .
II " ". , , . : , , :
, (), , .
III " ":
IV , . :
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, "9 1/2 ", VI. , , , . , , , , .
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, , ( V, VI). "" , t 0 , t 1 . .