Isbn: 9787572256912 - mental arithmetic + problem solving (part 4)/new oriental excellent learning practice(chinese edition) (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2023-06 Pages: 108 Publisher: Zhejiang Education Publishing House Mental Arithmetic + Problem Solving Grade 4 is a high-level mathematics practice product specially created by New Oriental Teaching and Research Center for fourth-grade students. The whole book revolves around the unit content of the current mainstream primary school mathematics textbook version. and sets exercises for two types of questions: mental arithmetic and problem solving. Time-limi.…