Isbn: 9787561729816 - 奥数测试(9年级) (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2006 Pages: 93 Language: Chinese in Publisher: East China Normal University Press Mathematical Olympiad test (grade 9) The main contents include: composite secondary radical. a quadratic equation can be turned into a secondary the equation of the equation. a quadratic equation discriminant root coefficient and its applications. Contents: 2-quadratic equation toilet test quadratic discriminant test 4-5 with the coefficient of relationship can be turned into a quadratic equ.…