题目(图我不方便画):在三角形abc中,bp是三角形的外角角dba的平行线,cp是角acb的平分线,且角a等于50°,求角bpc的度数.a p_d_________b__________c 大概就是这样
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![题目(图我不方便画):在三角形abc中,bp是三角形的外角角dba的平行线,cp是角acb的平分线,且角a等于50°,求角bpc的度数.a p_d_________b__________c 大概就是这样](/uploads/image/z/1057076-44-6.jpg?t=%E9%A2%98%E7%9B%AE%EF%BC%88%E5%9B%BE%E6%88%91%E4%B8%8D%E6%96%B9%E4%BE%BF%E7%94%BB%EF%BC%89%EF%BC%9A%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2abc%E4%B8%AD%2Cbp%E6%98%AF%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E5%A4%96%E8%A7%92%E8%A7%92dba%E7%9A%84%E5%B9%B3%E8%A1%8C%E7%BA%BF%2Ccp%E6%98%AF%E8%A7%92acb%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%2C%E4%B8%94%E8%A7%92a%E7%AD%89%E4%BA%8E50%C2%B0%2C%E6%B1%82%E8%A7%92bpc%E7%9A%84%E5%BA%A6%E6%95%B0.a+p_d_________b__________c+%E5%A4%A7%E6%A6%82%E5%B0%B1%E6%98%AF%E8%BF%99%E6%A0%B7)
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