AMC 8 2016 Problem 3
AMC8 2016 年第 3 题
统计与数据图表★☆☆☆☆
Four students take an exam. Three of their scores are 70, 80, and 90. If the average of their four scores is 70, then what is the remaining score?
4 个学生参加一个考试。其中 3 个的分数是 70，80，90．若他们的平均分是 70 分，那么剩下那个学生的分数是多少分？
- A.40
- B.50
- C.55
- D.60
- E.70
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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