谢谢
求教, oplet 和 art of problem solving 值得订/买吗?
谢谢
所有跟帖:
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The Art of Problem Solving 非常值得买,但不只针对Mathcounts比赛。准备Mathcounts
-Kuku24-
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03/22/2015 postreply
21:49:30
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准备Mathcounts可以买 Practice Competitions for MATHCOUNTS
-Kuku24-
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03/22/2015 postreply
21:51:36