/kaoyan/%E6%95%B0%E5%AD%A6/%E9%AB%98%E7%AD%89%E6%95%B0%E5%AD%A6/%E7%AC%AC1%E7%AB%A0%20%E6%9E%81%E9%99%90%E4%B8%8E%E5%87%BD%E6%95%B0%E6%80%A7%E8%B4%A8/%E7%9F%A5%E8%AF%86%E7%82%B9/1.2%20%E6%95%B0%E5%88%97%E6%9E%81%E9%99%90/ to /kaoyan/math/advanced-math/ch01-ji-xian-yu-han-shu-xing-zhi/knowledge/1.2-shu-lie-ji-xian