ISBN: 9787570444076 - elementary school math thinking training third grade first volume second volume general elementary school olympiad thinking training logical thinking expansion application breakthrough mode to help children infer three 16 open large open large characters(chinese edition) (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2022-04-01 Publisher: Beijing Education Press and expansion. in the form of levels. to guide primary school students to actively explore the mysteries. The questions of each level are rich and refined. and the content is novel and diverse. The small column Cultivation Secrets summarizes the knowledge points and practical problem-solving methods of each question type; in Self-training. the example questions are analyzed and interpreted in detail and in det.…