\r49,-./012SS45^}~Wç;º»N ^}~~\{\rM.\rBC2-.?lodeX223. 1977450\rK-2gWHX1.349859¤\r< 4 9 M/012[49. 1. 1
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double fun (int n)\rQ49. 2. 2
èéêë \rK-2Êâßà(double x, int n)\r(\rint i \rÊ a=l, b=l, s = l \rÍ { (i = l; i = n i + +).\ra = x \rb = B *´ \rs + s + A / B \r}\rhi? \r)\r50,-./012ìíîï ¯.>22, 3, 5, 7, 11, 13, 17, 23,\rBC2c3ì¯AWðñFG5òóigW¤\rK - :S = 0. 583333\r< 5 0 M/012®50. 1.1° ¯®´°\r®50. 1.2° ¯®´°\r®50. 1. 3 ° 0\rBC12®50.2. 1 1 y = 1 \r®50. 2.2° a A-I \rK-2double fun (int n).\rÊ s = 0 \rint i \rÍ { (i = l; i = n i + +)\r(\rke(´ô 5 = = 0 | |´% 9 = = 0)S = S + l. 0/i \r)\rhi?;
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