Ji suan ji kong zhi xi tong / ji suan ji kong zhi xi tong Ji suan ji kong zhi xi tong Dian qi kong zhi xi tong Ji suan ji cao zuo xi tong / dian qi kong zhi xi tong Duan xu kong zhi xi tong/ Fei xian xing kong zhi xi tong = Fei xian xing kong zhi xi tong/ Ji suan ji cao zuo xi tong =