已知△ABC的三边a,b,c满足a 2 ﹣b 2 =ac﹣bc,试判断△ABC的形状. 已知△ABC的三边a,b,c满足a 2 ﹣b 2 =ac﹣bc,试判断△ABC的形状. 发布时间:2025-06-23 14:51:51