已知角ABC内有一点O .1/2(AB+BC+CA)〈 AO+BO+CO求证:AB+BC+CA 〉 AO+BO+CO你的答案是证明 1/2(AB+BC+CA)〈 AO+BO+CO的 这是已知的我要的是求证:AB+BC+CA 〉 AO+BO+CO要用反证法
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![已知角ABC内有一点O .1/2(AB+BC+CA)〈 AO+BO+CO求证:AB+BC+CA 〉 AO+BO+CO你的答案是证明 1/2(AB+BC+CA)〈 AO+BO+CO的 这是已知的我要的是求证:AB+BC+CA 〉 AO+BO+CO要用反证法](/uploads/image/z/13227084-36-4.jpg?t=%E5%B7%B2%E7%9F%A5%E8%A7%92ABC%E5%86%85%E6%9C%89%E4%B8%80%E7%82%B9O+.1%EF%BC%8F2%EF%BC%88AB%EF%BC%8BBC%EF%BC%8BCA%EF%BC%89%E3%80%88+AO%EF%BC%8BBO%EF%BC%8BCO%E6%B1%82%E8%AF%81%EF%BC%9AAB%EF%BC%8BBC%EF%BC%8BCA+%E3%80%89+AO%EF%BC%8BBO%EF%BC%8BCO%E4%BD%A0%E7%9A%84%E7%AD%94%E6%A1%88%E6%98%AF%E8%AF%81%E6%98%8E+1%EF%BC%8F2%EF%BC%88AB%EF%BC%8BBC%EF%BC%8BCA%EF%BC%89%E3%80%88+AO%EF%BC%8BBO%EF%BC%8BCO%E7%9A%84+%E8%BF%99%E6%98%AF%E5%B7%B2%E7%9F%A5%E7%9A%84%E6%88%91%E8%A6%81%E7%9A%84%E6%98%AF%E6%B1%82%E8%AF%81%EF%BC%9AAB%EF%BC%8BBC%EF%BC%8BCA+%E3%80%89+AO%EF%BC%8BBO%EF%BC%8BCO%E8%A6%81%E7%94%A8%E5%8F%8D%E8%AF%81%E6%B3%95)
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