( , )
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2015
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1. ( ), ( )
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2. , . (1, 3, 5, 7, 9), ; (0, 2, 4, 6, 8), . :
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| . | 5, 6 |
| . | 7, 8 |
3. . . , .
4. , .
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6. , . ( ). .
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120 A. : 1) ; 2) ; 3) 0,01; 4) D ; 5) , D :
| (-5; 0), (7; 9), (5; -5) | (-5; 2), (7; -7), (5; 7) | ||
| (-7; 2), (5; 11), (3; -3) | (-7; 5), (5; -4), (3; 10) | ||
| (-5; -3), (7; 6), (5; -8) | (-7; 1), (5; -8), (3; 6) | ||
| (-6; -2), (6; 7), (4; -7) | (0; 3), (12; -6), (10; 8) | ||
| (-8; -4), (4; 5), (2; -9) | (-8; 4), (4; -5), (2; 9) | ||
| (0; -1), (12; 8), (10; -6) | (-2; 2), (10; -7), (8; 7) | ||
| (-6; 1), (6; 10), (4; -4) | (1; 2), (13; -7), (11; 7) | ||
| (-2; -4), (10; 5), (8; -9) | (-4; 1), (8; -8), (6; 6) | ||
| (-3; 0), (9; 9), (7; -5) | (-7; -1), (5; -10), (3; 4) | ||
| (-9; -2), (3; 7), (1; -7) | (-3; 3), (9; -6), (7; 8) |
2130 , , . : 1) 
; 2) ( ) ; 3) , :
| (7; -4; 1), (12; -3; 1), (10; 1; 5). | |
| (0; -3; 3), (5; -2; 3), (3; 2; 7). | |
| (-2; -1; -2), (3; 0; -2), (1; 4; 2) | |
| (-6; 0; 0), (-1; 1; 0), (-3; 5; 4) | |
| (-2; -3; -8), (3; -2; -8), (1; 2; -4) | |
| (1; 0; -1), (6; 1; -1), (4; 5; 3) | |
| (-1; 4; 1), (4; 5; 1), (2; 9; 5) | |
| (3; -6; -3), (8; -5; -3), (6; -1; 1) | |
| (1; 0; 0), (6; 1; 0), (4; 5; 4) | |
| (2; -8; -2), (7; -7; -2), (5; -3; 2) |
3140 
. , 
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 ={2; 1; 3},  ={3; -1; 1},  ={1; -1; -2},  ={7; 0; 7}
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| ={5; 3; 1}, ={-2; -1; 2}, ={-2; 1; 4}, ={3; 0; 1}
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| ={1; 3; 5}, ={-2; -1; -1}, ={4; -2; 4}, ={-7; 3; -1}
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| ={3; 1; 6}, ={-2; 2; -3}, ={-4; 5; -1}, ={3; 0; 1}
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| ={4; 1; 4}, ={-2; -1; 1}, ={3; 1; 5}, ={-3; -2; 1}
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| ={1; 2; 5}, ={2; -3; 4}, ={1; -1; -2}, ={3; 0; 1}
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| ={5; 1; 2}, ={3; 4; -1}, ={-4; 2; 1}, ={-3; 5; 4}
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| ={2; 1; 5}, ={-4; 3; 5}, ={1; -1; -4}, ={4; -1; -3}
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| ={3; 1; 4}, ={-4; 2; 3}, ={2; -1; -2}, ={7; -1; 0}
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| ={1; 4; 2}, ={5; -2; -3}, ={-2; -1; 1}, ={-3; 2; 4}
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4150 :
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5170 ( ):
7190 :
91110 . : 1) ; 2) ; 3) , , ; 4) ; 5) ; 6) :
111. R H V, ?
112. , . 18 . ?
113. , 
114. , S.
115. , l.
116. 32 3 , .
117. a. , ?
118. , R.
119. y = x2 ,
y = 2x - 4.
120. , R, , .
121125 :
121. z = 3x + 3y x2 xy y2 + 6.
122. z = 7x + 8y x2 xy y2 10.
123. z = 8x 4y + x2 xy + y2 + 15.
124. z = x2 + y2 6x 8y + 12.
125. z = 2x 8y x2 y2 9.
126130 :
126. z = x2 + xy 6x 2y + 2 1 £ x £ 3, 1 £ y £ 4.
127. z = x2 + 4xy y2 5 , = 2 .
128. z = x2 + y2 10x 2y + 15 2 £ x £ 6, 0 £ y £ 5.
129. z = x2 xy + 8 y + 7 ,
= 2 4 .
130. z = x2 + 2y2 + 4xy + 2 + 4y + 2 0 £ x £ 2, 0 £ y £ 2.
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: 2016-07-29; !; : 291 |
:
| 1454 - 