2024 AMC 12B 第 1 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
1.
一长队人从左到右排列。从左数第 个人也是从右数第 个人。队伍中共有多少人？
In a long line of people arranged left to right, the th person from the left is also the th person from the right. How many people are in the line?
小提示：
目标人物左边的人、右边的人，再加上这个人本身，组成整条队伍。
The people to the left of the target person and the people to the right, plus the person themself, make up the whole line
大提示：
左边有 人，右边有 人；再加上目标人物。
There are people to the left and to the right; add these to the target person
解答：
目标人物左边有 人，右边有 人。包括此人自己，总人数为 。
所以正确答案是 B。
The target person has people to the left and people to the right. Including the person themself, the line has people.
Thus, the correct answer is B.
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