a | b | a | b | ||
289 | 255 | ||||
112 | 171 | ||||
175 | 605 | ||||
735 | 162 | ||||
625 | 250 | ||||
108 | 84 | ||||
375 | 175 | ||||
147 | 195 | ||||
255 | 578 | ||||
338 | 646 |
2
(, b) [ , b ], b. - a b . 4 .
4
2
a | b | a | b | ||
3
ax + by = c. - a, b c . 5 .
5
3
a | b | c | a | b | c | ||
12 | 288 | 252 | |||||
12 | 171 | 270 | |||||
75 | 63 | 340 | |||||
10 | 35 | 162 | |||||
7 | 62 | 25 | |||||
108 | 84 | 105 | |||||
375 | 165 | 132 | |||||
77 | 147 | 195 | 351 | ||||
80 | 255 | 575 | |||||
38 | 46 | 23 |
4
ax º b (mod m). a, b m . 6 .
6
4
a | b | m | a | b | m | ||
|
|
5
Z / m Z. m . 7 .
7
5
m | m | ||
. 7
6
f, g h. :
1) f, g, h fgh, hfg, ffg, ;
2) f, g, h , , - R;
3) f, g, h, ( f, g, h), .
f (x), g (x) h (x) . 8 .
8
6
f (x) | g (x) | h (x) | |
3 x + 8 | 3 | 4 3 + 27 | |
sin(6 x) | arctg(2 x) 3 | 5 x 9 | |
x 4 + 7 | 3 x + 2 | 7 x + 15 | |
2/(x + 1) | 8 x 7 16 | cos(10 x) | |
2 x 11 3 | x /(x + 3) | 9sin(12 x) + 3 | |
2 x + 13 | 3 3 + 8 | ||
3 x + 4 | 3 x + 17 | 3 + 12 | |
sin(2 x) + 3 | 16arctg(5 x) + 3 | 5 x + 19 | |
3 4 + 6 | 5 x + 12 | 7 x + 29 | |
12 x /(x 1) | 13arctg(7 x) 20 | 5ln(x 2 + 1) | |
6/(x 2 + 3) | |||
17 x + 3 | 2 13 x 5 | ||
27 x 18 | 3 x 7 + 21 | ||
3cos(5 x) + 7 | 3 x 5 + 18 | ||
3 x + 14 | 3 x 17 | 2 2 x + 7 | |
3 x 13 + 27 | 2arccos(5 x) | log5(2 x + 7) 10 | |
sin(3 x) 2 | 6arctg(5 x) 3 | 15 x + 9 |
. 8
4 + 16 | 5 x + 2 | 7 x 19 | |
2/(x 2 + 1) | 3arctg(7 x) + 9 | ln(x + 1) | |
(x 1)/(x + 2) |
7
f: V 2(Z / m Z) V 2(Z / m Z), f (c) = A c, A Î M 2(Z / m Z). - f? f 1. m A . 9 .
9
7
m | A | m | A | ||
8
, Y , . X Y . 10 .
|
|
10
8
X | Y | X | Y | ||
[ 3; 4) | [2; 5]È[7; 9] | 3Z | NÈ{ 1, 2} | ||
( 7; 12] | [3; 6]È{8} | [0; 1] | [0; 1]È[6; 7] | ||
[ 4; 13] | [ 3; 3]È{4}È{17} | R | ( 2; 4) | ||
[ 28; 13) | R | (0; 2) | R | ||
NÈ{0, 1/2} | Z | [ 2; 4] | [2; 4) | ||
[0; 1) | [0; 1]È[3; 5] | ( 6; 11) | [ 3; 2] | ||
[ 7; 7] | [0; 1) | [ 2; 1) | [3; 10] | ||
[ 2; 1] | ( 2; 1) | [ 1; 1] | ( 1; 1)È{2} | ||
(0; 1) | (0; +¥) | Z | NÈ{ 1} | ||
( 2; +¥) | R | 2Z | NÈ{ 1, 0} |