9个数复式三中三多少组怎么算

简介：After writing the letter, Duanluobu began his winter retreat. Although supplies were in short supply and the lives of his tribe were difficult, as a prince, Duanluobu's life was not greatly affected. He still had fine wine and fine clothes every day. Wearing it, the yurt is warm, and the charcoal in the copper stove is always burning brightly.