AMC 8 1992 Problem 13

AMC8 1992 年第 13

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Problem Five test scores have a mean (average score) of 90, a median (middle score) of 91 and a mode (most frequent score) of $94$. The sum of the two lowest test scores is
五次考试成绩的平均数为 90,中位数为 91,众数为 94。两个最低成绩之和是
  1. A.170
  2. B.171
  3. C.176
  4. D.177
  5. E.not determined by the information given\text{not determined by the information given}

正确答案 · Correct Answer

B

解析 · Solution

解析整理中

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