Ji suan ji ying yong— guan li ke xue Tu di li yong— guan li xue Wei xing ji suan ji- ji suan ji ying yong- guan li ke xue Ji suan ji ying yong yu jiao yu cong shu. Ji suan ji ying yong yu jiao yu cong shu Ji suan ji ying yong wen zhai/. Di jiu ji. Ji suan ji ying yong wen zhai/. Di shi ji. Ji guang ying yong- yi xue Ji suan ji ying yong- qi ye guan li Xian xing gui hua- ying yong- guan li xue