/kaoyan/%E6%95%B0%E5%AD%A6/%E9%AB%98%E7%AD%89%E6%95%B0%E5%AD%A6/%E7%AC%AC2%E7%AB%A0%20%E5%AF%BC%E6%95%B0/%E7%9F%A5%E8%AF%86%E7%82%B9/2.7%20%E6%9E%84%E9%80%A0%E8%BE%85%E5%8A%A9%E5%87%BD%E6%95%B0/ to /kaoyan/math/advanced-math/ch02-dao-shu/knowledge/2.7-gou-zao-fu-zhu-han-shu