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paperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2025-03 Pages: 152 Publisher: Electronic Industry Press 500 Classic Examples of Calculation in Mathematical Olympiad contains 59 knowledge points and related problem-solving methods. arranged from easy to difficult according to the characteristics and logical relat…ionships of calculation. It starts with 6-9 finger calculation and ends with Defining New Operations. Each knowledge point is a ** to help readers quickly understand the origin of the knowledge .
