设https://bgk-photo.cdn.bcebos.com/9f2f070828381f30a6d203c9b9014c086f06f083.jpg，则R(A)=________________________
设https://bgk-photo.cdn.bcebos.com/9f2f070828381f30a6d203c9b9014c086f06f083.jpg，则R(A)=________________________
发布时间：2025-05-14 01:17:17
