更新1:
This book has 103 topics, I thought the most interesting topic is " must spread out the rug in the staircase, how measures fast purchases the rug the length?? The topic content is said how we do use the fast method to measure the rug. What do you think?
更新2:
Actually a bottom of staircase will high add together, an answer is actually the rug length!! Is it very simple??
更新3:
This book is suitable for a student who are from primary six students to the junior middle school students, because this book has the key word which is Chinese-English compares, it is very helpful for us to know these words and expressions!
