Ji xie she ji wen ti xiang jie/ Da xue hua xue wen ti xiang jie/ Dian ji ji xie wen ti xiang jie/ Wu li hua xue wen ti xiang jie/ Da xue wu li wen ti xiang jie/. 2. Ji xie she ji suan li yu xiang tu/ Chu deng tong ji wen ti xiang jie. Gao deng tong ji wen ti xiang jie. Dai shu 200 nan ti xiang jie/ Dian gong xue wen ti xiang jie/