鸡都一屁股坐在地上了

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已知鸡和兔共15只，共40只脚，问鸡和兔各几只。<br>
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解：设鸡兔训练有素，吹一声口哨，各抬起一只脚，40-15＝25，再吹一声哨，它们又抬起一只脚，25-15＝10，这时鸡都一屁股坐在地上了，兔子还有两只脚立着，所以，兔子有：10/2＝5只，鸡有15-5＝10只。这种算法，让二元一次方程情何以堪……<br>
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没有看懂{:soso_e132:}</td></tr></tbody></table>


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是不是耍把戏的</td></tr></tbody></table>


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有趣&nbsp;&nbsp;古时鸡兔同笼今解</td></tr></tbody></table>


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牛{:soso_e179:}</td></tr></tbody></table>


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:):)</td></tr></tbody></table>


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:lol:lol:lol</td></tr></tbody></table>


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解释问题的方法非常有力度。。。设想有方。。二元一次方程休息去。。呵呵。。:victory:;P</td></tr></tbody></table>


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看起费劲</td></tr></tbody></table>


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