第1页共41页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共41页编号CASE公式1(RU)B'(RBR'2)U'(R'FRF')U'(RU)B'(RBR'2)U'(R'FRF')2F(RUR'U')F'f(RUR'U')f'(Ur'U'rU'U')(R'U2RU'U')(r'Ur)3f(RUR'U')f'U'F(RUR'U')F'F(URU'R')F'UF(RUR'U')F'4f(RUR'U')yxR'F(RUR'U')F'F(URU'R')F'U'F(RUR'U')F'第2页共41页第1页共41页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共41页5(r'RU)(RUR'U')r(R'2FRF')F(URU'R'2F')U'F(URU')F'6F(RUR')(Uy')(R'U2)(R'FRF')F(R'F'R)(URU'R'U)F(RUR'U')F'7(RB')(R'f