AMC 8 1986 Problem 11

AMC8 1986 年第 11

表达式与运算★★★☆☆
Problem If \textA\textB\textA*\textB means \textA+\textB2\displaystyle \frac{\textA+\textB}2, then $(3*5)*8$ is
\textA\textB\textA*\textB 表示 \textA+\textB2\displaystyle \frac{\textA+\textB}2,则 $(3*5)*8$ 等于
  1. A.6
  2. B.8
  3. C.12
  4. D.16
  5. E.30

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

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