[計量] gwd math 30-25
Q25:
For a certain race, 3 teams were allowed to enter 3 members each. A team
earned 6 – n points whenever one of its members finished in nth place,
where 1<= n <= 5
There were no ties, disqualifications, or withdrawals. If no team earned
more than 6 points, what is the least possible score a team could have earned?
A. 0
B. 1
C. 2
D. 3
E. 4
答案 : D
我的思路是這樣
九個人比賽
A B C D E F G H I
名次 1 2 3 4 5 6 7 8 9
得分 5 4 3 2 1 0 0 0 0
所以 只要任意找三個人搭配，一個對伍 最不可能是幾分
我搭配到 總分是3的合理壓， Ex: AEI; BDH; CFG (CFG 3分)
總分是2 跟總分是1 還有0 就搭配不出來
我的思路不知道這樣對嗎
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