First published: 20121 languageISBN: 9787504195531
Description
Ben shu bao kuo shu xue yun suan he shu zi tui li liang bu fen, Nei rong she ji fang cheng yu bu deng shi, Ji chu yun suan mo kuai, Ji shu wen ti mo kuai, Qu wei za ti mo kuai, Duo ji shu lie, Fen shu shu lie, Tu xing shu lie deng.