已知△ABC的三个顶点A(1,2)、B(4,1)、C(3,4)在AB边上求一点P,使得过点...答:evening, plainclothes police at the airport police station Liang, Jo, named Ma at the back of the group of gold jewelry. Identified, Liang at the back of the jewelry are gold jewelry, 13599.1 grams total weight, worth more than 2.89 million yuan; in Jo, named Ma, ...