[問題]一題計量 ><~
今天突然拿出計量複習以前寫過的 才熊熊發現有一題一直不會><
想請教大家
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?
ANS:10 gloves
為什麼呢???不是8歐??><~~~
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推
07/21 08:53, , 4F
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