标题: [转帖] math 求助 [打印本页] 作者: JINMINGRUI 时间: 2003-2-23 16:06 标题: [转帖] math 求助
36. DS a company,whose business is to help others to prepare party with 50 to 100 participants,charge how much to such kind of party
i, charge totally 300n-n^2 to the whole party
ii,the company charge $160/person
何解？作者: steven.wei 时间: 2003-2-23 18:02
i suppose e
1) you do not know n(numbers), so u can not figure out the whole price for the party
2) u do not know the numbers.
i feel this question is a little stranges.作者: JINMINGRUI 时间: 2003-2-23 19:38
thanks,i feel the same way.作者: joywzy 时间: 2003-2-23 19:42
E。
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