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1. Ring Z/2Z ,which polynomial is the ideal generated by i+x^2 and 1+x^3 A. 1+x^4 B. x^5+x+1 C. x^6+1 2. an closed associative operater # on set S, a#b#a=b , for any a,b in S which is correct? A. # is communicate B. S is a group C. S is finite ÇóÖ¸µã£¬Çó½»Á÷~ |
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4Â¥2012-11-17 10:48:05
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3Â¥2012-11-16 23:57:58
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