已知0<a<1，若loga(2x－y＋1)<loga(3y－x＋2)，且λ<x＋y，则λ的最

已知0<a<1，若log_a(2x－y＋1)<log_a(3y－x＋2)，且λ<x＋y，则λ的最大值为________．

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已知0<a<1，若loga(2x－y＋1)<loga(3y－x＋2)，且λ<x＋y，则λ的最

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