The "Mathematics Activity Class Lecture" in the middle school mathematics competition is more complete. Whoever sends it to me, I will pay Qb and phone bill.

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They are all stored on microdisks and can be downloaded without integral.

But it's best to honestly understand a math contest book (such as the golden key to solving classical problems in Olympic Mathematics, junior high school mathematics or Olympic Mathematics courses or some books in Olympic Mathematics series).

Ask interesting math questions!

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