[計量] The 20 people at a party ...
the 20 people at a party are divided into n
mutually exclusive groups in such a way that
the number of people in any group does not exceed
the number in any other group by more than 1.
col A col B
the value of n if at least 6
one of the group consist
of 3 people.
感覺實在應該不難但不知道到底什麼意思
答案是D又為何呢???
麻煩各位大大了
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10/15 23:19, , 1F
10/15 23:19, 1F
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