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試卷名稱：110年 - 110 國立中央大學_碩士班招生考試_資工類：離散數學與線性代數#110537
年份：110年
科目：研究所、轉學考(插大)◆數學(含線性代數、離散數學)
6.Considering relation R defined as : 
x does not have more prime
factors than y), Which of the following statements are true?
(A) R is partial ordering.
(B) R is total-ordered.
(C) Ris reflexive.
(D) R is an equivalence relation.
(E) Only 1 weakly connected component in a directed graph that represents R.