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lilihurry: ½ð±Ò+10, ¡ïÓаïÖú 2013-09-12 13:25:14
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Ôò  40/v >= x/v+1/3+(40-x)/(v+4);
ÆäÖР 0 <= x <= 40;
½â³ö 0<= v <= sqrt( 484 -12x) -2;
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2Â¥2013-09-05 22:22:21
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lilihurry

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2Â¥: Originally posted by zenmebuxing at 2013-09-05 22:22:21
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Ôò  40/v >= x/v+1/3+(40-x)/(v+4);
ÆäÖР 0 <= x <= 40;
½â³ö 0<= v <= sqrt( 484 -12x) -2;
Õâ¸öºÍÍ£ÁôµÄµØµãÓйأ»
Èç¹ûÊÇ×î´ó¿ÉÄܵÄËÙ¶È£¬ÄÇô¾ÍÊÇ µ±x  = 0 ...

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