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@ -35,7 +35,7 @@ $ x = 35-y $
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$ \begin{aligned}(35-y) \times 2 + 4y &= 94 \newline 2y &= 24 \newline y &= 12 \end{aligned}$
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$ x = 35 - y = 23$
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$ x = 35 - 12 = 23$
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答: 有鸡23只,有兔12只。
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