Update user-manual/student/img/image70.png, user-manual/student/img/image71.png, user-manual/student/img/image72.png, user-manual/student/img/image73.png, user-manual/student/img/image74.png, user-manual/student/img/image81.png, user-manual/student/img/image83.png, user-manual/student/img/image84.png, user-manual/student/img/image82.png, user-manual/student/img/image76.png, user-manual/student/img/image79.png, user-manual/student/img/image77.png, user-manual/student/img/image75.png, user-manual/student/img/image85.png, user-manual/student/img/image78.png, user-manual/student/img/image80.png, user-manual/student/img/image69.png, user-manual/student/img/image64.png, user-manual/student/img/image65.png, user-manual/student/img/image66.png, user-manual/student/img/image67.png, user-manual/student/img/image63.png, user-manual/student/img/image68.png files