P为△ABC内一点,且∠PAC=∠PBC,过P作BC和AC垂线,垂足为L,M,D是AB中点,求证:DM=DLP为△ABC内一点,且∠PAC=∠PBC,过P作BC和AC垂线,垂足为L,M,D是AB中点,求证:DM=DL
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![P为△ABC内一点,且∠PAC=∠PBC,过P作BC和AC垂线,垂足为L,M,D是AB中点,求证:DM=DLP为△ABC内一点,且∠PAC=∠PBC,过P作BC和AC垂线,垂足为L,M,D是AB中点,求证:DM=DL](/uploads/image/z/9958201-25-1.jpg?t=P%E4%B8%BA%E2%96%B3ABC%E5%86%85%E4%B8%80%E7%82%B9%2C%E4%B8%94%E2%88%A0PAC%3D%E2%88%A0PBC%2C%E8%BF%87P%E4%BD%9CBC%E5%92%8CAC%E5%9E%82%E7%BA%BF%2C%E5%9E%82%E8%B6%B3%E4%B8%BAL%2CM%2CD%E6%98%AFAB%E4%B8%AD%E7%82%B9%2C%E6%B1%82%E8%AF%81%3ADM%3DDLP%E4%B8%BA%E2%96%B3ABC%E5%86%85%E4%B8%80%E7%82%B9%2C%E4%B8%94%E2%88%A0PAC%3D%E2%88%A0PBC%2C%E8%BF%87P%E4%BD%9CBC%E5%92%8CAC%E5%9E%82%E7%BA%BF%2C%E5%9E%82%E8%B6%B3%E4%B8%BAL%2CM%2CD%E6%98%AFAB%E4%B8%AD%E7%82%B9%2C%E6%B1%82%E8%AF%81%EF%BC%9ADM%3DDL)
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