[計量] A bag contains red gloves, ...
看板GRE (GRE入學考試)作者ELASTOMER (惡性循環........)時間17年前 (2008/11/16 14:00)推噓1(1推 0噓 2→)留言3則, 1人參與討論串4/4 (看更多)
A bag contains red gloves, black gloves, and white ones.
What is the least number of gloves that must be taken out
of the bag to be sure of having 4 pairs of gloves?
(A)6 (B)8 (C)9 (D)10 (E)12
Ans: (D)
看不太懂題目的意思,麻煩各位幫忙解答一下,多謝
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