Point out the math answers in the second volume of Grade 8.
Ha ha laugh ... I bought it in junior high school ... what's your answer? Teared up by the teacher? You go to the small bookstore that specializes in selling junior high school books and see if there are ... if there are any answers at the back of the book. If not, you can ask the boss if there are any answers to sell separately ... just buy them all back, so as to save trouble in the future. ...