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未知数这么多，如何用特殊法巧解题，快来试试身手吧！
图片：考考你1.png 
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沙发#
发布于：2009-08-06 15:48
公布正确答案！
本题正确答案是：
图片：daan.jpg
如果同学们对本题有疑问，欢迎登录http://www.etlearning.cn/g3/freelesson/?c=111145 ”，选听丁益祥老师主讲的《数学思想在解题中的应用》。 |
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