AMC 8 1998 Problem 10

AMC8 1998 年第 10

特殊数与不定方程★★☆☆☆
Problem Each of the letters \textW\textW, \textX\textX, \textY\textY, and \textZ\textZ represents a different integer in the set {1,2,3,4}\{ 1,2,3,4\}, but not necessarily in that order. If \textW\textX\textY\textZ=1\dfrac{\textW}{\textX} - \dfrac{\textY}{\textZ}=1, then the sum of \textW\textW and \textY\textY is
字母 \textW\textW\textX\textX\textY\textY\textZ\textZ 各代表集合 {1,2,3,4}\{1,2,3,4\} 中不同的整数,但不一定按此顺序。若 \textW\textX\textY\textZ=1\dfrac{\textW}{\textX} - \dfrac{\textY}{\textZ}=1,则 \textW\textW\textY\textY 之和为
  1. A.3
  2. B.4
  3. C.5
  4. D.6
  5. E.7

正确答案 · Correct Answer

E

解析 · Solution

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