四年级奥数题钉子板上的计数怎么求?1.在一个由五棵钉组成的钉阵中.(每三颗钉不在同一直线).用橡皮筋去套线段,一共能套出________条线段.各位大哥大姐,麻烦告诉一下小的,今14:50回收题目,
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![四年级奥数题钉子板上的计数怎么求?1.在一个由五棵钉组成的钉阵中.(每三颗钉不在同一直线).用橡皮筋去套线段,一共能套出________条线段.各位大哥大姐,麻烦告诉一下小的,今14:50回收题目,](/uploads/image/z/11920452-60-2.jpg?t=%E5%9B%9B%E5%B9%B4%E7%BA%A7%E5%A5%A5%E6%95%B0%E9%A2%98%E9%92%89%E5%AD%90%E6%9D%BF%E4%B8%8A%E7%9A%84%E8%AE%A1%E6%95%B0%E6%80%8E%E4%B9%88%E6%B1%82%3F1.%E5%9C%A8%E4%B8%80%E4%B8%AA%E7%94%B1%E4%BA%94%E6%A3%B5%E9%92%89%E7%BB%84%E6%88%90%E7%9A%84%E9%92%89%E9%98%B5%E4%B8%AD.%28%E6%AF%8F%E4%B8%89%E9%A2%97%E9%92%89%E4%B8%8D%E5%9C%A8%E5%90%8C%E4%B8%80%E7%9B%B4%E7%BA%BF%29.%E7%94%A8%E6%A9%A1%E7%9A%AE%E7%AD%8B%E5%8E%BB%E5%A5%97%E7%BA%BF%E6%AE%B5%2C%E4%B8%80%E5%85%B1%E8%83%BD%E5%A5%97%E5%87%BA________%E6%9D%A1%E7%BA%BF%E6%AE%B5.%E5%90%84%E4%BD%8D%E5%A4%A7%E5%93%A5%E5%A4%A7%E5%A7%90%2C%E9%BA%BB%E7%83%A6%E5%91%8A%E8%AF%89%E4%B8%80%E4%B8%8B%E5%B0%8F%E7%9A%84%2C%E4%BB%8A14%EF%BC%9A50%E5%9B%9E%E6%94%B6%E9%A2%98%E7%9B%AE%2C)
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