设A={1,2,3},给定A上二元关系R={,,},求r(R),s(R)和t(R).

问题描述:

设A={1,2,3},给定A上二元关系R={,,},求r(R),s(R)和t(R).
1个回答 分类:数学 2014-12-15

问题解答:

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(R)={,,,,},s(R)={,,,,},t(R)={,,,,}
 
 
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