 鲜花( 150)  鸡蛋( 3)
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请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!)
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d [(a+bx)c ] /dx = -kc +s & O6 y4 w# D# D1 c; h1 R; u; c
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?+ F. O, m+ ?9 l
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多谢了!4 I* S1 B5 u/ Y- ?: j. c- @
. c& [/ b+ x2 {# z[ Last edited by 醉酒当歌 on 2005-4-4 at 11:34 AM ] |
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