Sir,b is comlex number,you are too...

来源: jinjing 2011-07-16 18:57:01 [] [旧帖] [给我悄悄话] 本文已被阅读: 次 (97 bytes)
回答: great!15少2011-07-16 17:08:12

Ai,...this kind of questions is too easy for me. I have teached math in U near 40 years...

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Let's skip this...... though a little competition is good. Jing -乱弹- 给 乱弹 发送悄悄话 乱弹 的博客首页 (0 bytes) () 07/17/2011 postreply 18:07:29

(cont), maybe you can post some new problems. -乱弹- 给 乱弹 发送悄悄话 乱弹 的博客首页 (0 bytes) () 07/17/2011 postreply 18:08:01

yes, let's skip this...... it is becoming boring -15少- 给 15少 发送悄悄话 15少 的博客首页 (0 bytes) () 07/18/2011 postreply 05:39:40

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