数值代入法和枚举法要跟例子一样类型的题目!例:有黄、红、蓝、黑五种颜色的铅笔,每两种颜色的铅笔为一组,最多可以配成不重复的几组?急,急!各位醒醒好!
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![数值代入法和枚举法要跟例子一样类型的题目!例:有黄、红、蓝、黑五种颜色的铅笔,每两种颜色的铅笔为一组,最多可以配成不重复的几组?急,急!各位醒醒好!](/uploads/image/z/2656118-38-8.jpg?t=%E6%95%B0%E5%80%BC%E4%BB%A3%E5%85%A5%E6%B3%95%E5%92%8C%E6%9E%9A%E4%B8%BE%E6%B3%95%E8%A6%81%E8%B7%9F%E4%BE%8B%E5%AD%90%E4%B8%80%E6%A0%B7%E7%B1%BB%E5%9E%8B%E7%9A%84%E9%A2%98%E7%9B%AE%21%E4%BE%8B%EF%BC%9A%E6%9C%89%E9%BB%84%E3%80%81%E7%BA%A2%E3%80%81%E8%93%9D%E3%80%81%E9%BB%91%E4%BA%94%E7%A7%8D%E9%A2%9C%E8%89%B2%E7%9A%84%E9%93%85%E7%AC%94%2C%E6%AF%8F%E4%B8%A4%E7%A7%8D%E9%A2%9C%E8%89%B2%E7%9A%84%E9%93%85%E7%AC%94%E4%B8%BA%E4%B8%80%E7%BB%84%2C%E6%9C%80%E5%A4%9A%E5%8F%AF%E4%BB%A5%E9%85%8D%E6%88%90%E4%B8%8D%E9%87%8D%E5%A4%8D%E7%9A%84%E5%87%A0%E7%BB%84%3F%E6%80%A5%2C%E6%80%A5%21%E5%90%84%E4%BD%8D%E9%86%92%E9%86%92%E5%A5%BD%21)
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