. . . . , , . . .
: [1] . 290-306, [2] . 135-142, [3] . 150-179, [4] . 69-78, [5] . 143-151, [6] .107-122, [7] . 159-171.
( I )
1. :
) 156 = 22・3・13; ) 124 25 ;
) 199 .
1. :
) , ;
) 4, 2.
2. :
) 543 ; ) (48, 60) = 12; ) 810 = 22・34・5.
2. :
) , ; ) 9 24 .
3. :
) 159 ; ) (45, 30) = 180; ) 216 = 23・33.
3. :
) ;
) , 3, 9.
4. :
) 144 = 24・32; ) (12, 72) = 72; ) 224 7.
4. :
) ; ) 12 16 .
5. :
) 1440 = 24・32・5; ) 437 ;
) 2204 48.
5. :
) (, ) = 1, ;
) 9 .
0. :
) 189 ; ) 1620 = 22・34・5;
) 18 54.
:
) , . 189:
189 | 3 | 189 = 33・7; 189 5 {1;3;9;7;189} , 189 . |
63 | 3 | |
21 | 3 | |
7 | 7 | |
1 |
) 1620 :
1620 | 2 |
810 | 2 |
405 | 3 |
135 | 3 |
45 | 3 |
15 | 3 |
5 | 5 |
1 |
, 1620 = 22・34・5.
) 54 18 :
54 | 2 | 18 | 2 | ||
27 | 3 | 9 | 3 | ||
9 | 3 | 3 | 3 | ||
3 | 3 | 1 | |||
1 |
54 = 2・33; 18 = 2・32; (54; 18) = 2・32 = 18. 18 54, .
|
|
0. :
) (, ) = × , ;
) 8, 4.
:
) . .. , 1. , .
) . 4, , 4.
( II )
1. : ) 78; ) 504; ) 2748.
1. , , , :
) 25 321 + 456018 3; ) 134 270 4; ) 150 + 225 15.
2. : ) 96; ) 810; ) 2061.
2. , , , :
) 229 + 631 7; ) 16・23・124 3; ) 15・749 + 16 6.
3. : ) 80; ) 675; ) 4368.
3. , , , :
) 123・749 7; ) 225 + 130 5; ) 540・8310 + 750 15.
4. : ) 84; ) 162; ) 3744.
4. , , , :
) 2808 + 6500 + 1875 15; ) 123・201・44 18;
) 72・29・47 + 2304 9.
5. : ) 56; ) 270; ) 1124.
5. , , , :
) 2512 + 127 3; ) 134・270 5; ) 123・207 + 36 18.
0. : ) 81; ) 225; ) 94180.
:
) | 81 | 3 | ) | 225 | 3 | ) | 94180 | 2 |
27 | 3 | 75 | 3 | 47090 | 2 | |||
9 | 3 | 25 | 5 | 23545 | 5 | |||
3 | 3 | 5 | 5 | 4709 | 17 | |||
1 | 1 | 277 | 277 | |||||
1 |
81 = 34 225 = 32 52 94180 = 22 5 17 277
, 277 , : 17; 2,3,5, 7, 11, 13, 17 , 17. : - 2; - 3; - 5; ; - 11; ; ., 277 1 277.
0. , , , :
) 30861 + 45063 + 2304 9;
) 22050 + 2380 + 6175 15;
) 540・127 6.
:
) , , , 9: 9, 9.
30861 M 9, . . 3 + 0 + 8 + 6 + 1 = 18, 18 M 9;
45063 M 9, . . 4 + 5 + 0 + 6 + 3 = 18, 18 M 9;
|
|
2304 M 9, . . 2 + 3 + 0 + 4 = 9, 9 M 9.
9.
, (30861 + 45063 + 2304) M 9.
) : 15, 5 3.
22050 M 15, 22050 M 5 (.. 0), 22050 M 3 (.. 2 + 2 + 5 = 9; 9 M 3)
, 2380 M 5 (.. 0), (.., 2 + 3 + 8 = 13; )
, 6175 M 5 (.. 5), (.. 6 + 1 + 7 + 5 = 19; )
, 15, 22050 + 2380 + 6175 , 15.
) , . 6, 2 3.
540 M 6, . . 540 M 3 (5 + 4 = 9, 9 M 3) 540 M 2 ( ). , (540・127) M 6.
( III )
1. : 1960 588.
1. , , : ) 209; ) 331; ) 389.
2. : 3960 4375.
2. , , : ) 223; ) 377; ) 437.
3. : 536 1024.
3. , , : ) 299; ) 1227; ) 139.
4. : 2416 604.
4. , , : ) 187; ) 571; ) 395.
5. : 540 1512.
5. , , : ) 463; ) 189; ) 183.
0. : 192 1620.
:
1- : :
192 | 2 | 1620 | 2 | 192 = 26 3; 1620 = 22 34 5; (192; 1620) = 22 3 = 4 3 = 12; (192; 1620) = 26 3 5 = 64 81 5 = 25920. |
96 | 2 | 810 | 2 | |
48 | 2 | 405 | 3 | |
24 | 2 | 135 | 3 | |
12 | 2 | 45 | 3 | |
6 | 2 | 15 | 3 | |
3 | 3 | 5 | 5 | |
1 | 1 |
2- :
1620 1536 | 192 | ||
8 | |||
192 168 | 84 | ||
2 | |||
84 72 | 24 | ||
3 | |||
24 24 | 12 | ||
2 | |||
0 |
(192; 1620) = 12
(192; 1620) = = = 25920.
0. , , : ) 829; ) 703; ) 481.
:
) . n Î N, n > 1 , , n .
29; 2, 3, 5, 7, 11, 13, 17, 19, 23 , .
, . . 2;
, . . 3 (8+2+9 = 19, );
, . . 5 0;
, . . 829: 7 = 118 (. 2);
, . . , , , , , 11 (8 + 9 ¹ 2).
, . . 829: 13 = 63 (. 10);
, . . 829: 17 = 48 (. 13);
, . . 829: 19 = 43 (. 12);
, . . 829: 23 = 36 (. 1).
, 829 .
) .
27; 2, 3, 5, 7, 11, 13, 17, 19, 23 , .
, . . 2;
, . . 3;
, . . 5 0;
, . . 703: 7 = 100 (. 3);
, . . , , , , , 11;
|
|
, . . 703: 13 = 54 (. 1);
, . . 703: 17 = 41 (. 6);
703 M 19, . . 703: 19 = 37.
, 703 .
) .
22; 2, 3, 5, 7, 11, 13, 17, 19 , .
, . . 2;
, . . 3;
, . . 0 5;
, . . 481: 7 = 68 (5 .);
, . . , , , , , 11;
, . . 481: 13 = 39 (4 .);
, . . 481: 17 = 27 (2 .);
, . . 481: 19 = 25 (6 .).
, 481 .
( IV )
1. , "nÎ N (n3 + 5n) M 6.
1. , (, ) = 5, (, ) = 105.
2. , "nÎ N (4n 1) M 3.
2. , (, ) = 7, ・ = 294.
3. , "nÎ N (62n 1) M 35.
3. , (, ) = 75, ・ = 375.
4. , "nÎ N (n5 n) M 5.
4. , (, ) = 4, : = 19:15.
5. , "nÎ N (n3 + 11n) M 6.
5. , ・ = 25200, (, ) = 12600.
( V )
1. , n Î N, Î N
1. : 418 , 494, 456. , , ?
2. , n Î N, Î N
2. , 15, 20 24 , 11 ?
3. , n Î N, Î N
3. , 2, 3, 4, 5, 6, 8 1 7.
4. , n Î N, Î N
4. 156 , 234 390 , ( ) . . ?
5. , n Î N, Î N
5. . , , 88 , 225 ?