MathKangaroo美国数学竞赛真题知名奥数老师推荐
MathKangaroo美国数学竞赛真题知名奥数老师推荐
目录：
Math kangaroo 1&2.pdf
Math kangaroo 11&12.pdf
Math kangaroo 3&4.pdf
Math kangaroo 5&6.pdf
Math kangaroo 7&8.pdf
Math kangaroo 9&10.pdf
