I locked my brain in my drawer, because my teacher in high school once told us "for linear simultaneous equations, if number of variables is larger than the number of linear-independent eqns, don't use your brain, for that there will be more solutions than you can handle (infinite)".
哈哈哈哈 O(∩_∩)O哈哈~ 好久不来了，不小心看了一眼自己主页，发现自动关联了自己以往发过的帖，点进这个看了一眼，笑个半死。。。敢情我当初还发过这么搞笑的东西啊，我自己完全不记得了 
雷达卡
发表于 2007-10-21 23:10:06
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千斤顶
发表于 2007-10-22 04:04:15
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I must humbly beg master’s forgiveness. I was not thinking clearly when I posed the problem.