ISBN: 9787218099125 - primary mathematics port operator quick count every day to practice (teach) grade 2 next(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2015-1-1 Pages: 84 Publisher: Guangdong People's Publishing House cultivate good habits port operator: 1. moderation habits: to help students overcome without moderation. even if the wrong pen. As to cultivate good habits of moderation and 24 by 5 * 4 * 5 and other types of problems port operator training group comparison. 2. thinking habit: to guide students to form a hard thinking. to find the most simple algorithm habits. For example. by 99 + 27 other .…