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a b - q () r (), :
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r < b, q , . b , .
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- , .
- , .
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(N) a, b, , e
(a; b; ; e) = N.
" " .
: (35; 25) = 5.
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(a; b; c; ) = 1, a, b, c, - .
a, b, c, , a, b, c, . , " " " " .
1. 29, 53, 100, 104 - , , 1, (29; 53; 100; 104) = 1.
2. 24, 17, 11 , ; , (24; 17) = (24; 11) = (17; 11) = 1.
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: 8084 1504;
188, 8084 . 8084 1504. 188, 564, 564 1504 188 : 8084: 188 = 43; 1504: 188 = 8.