Lesson Comments
下一课是分数与百分数吗?xiàyíkè shì fēnshù yǔ bǎifēnshù ma? Read more
how do you say π?(pi ) Read more
Check out the Task I uploaded for this lesson! Download Read more
There's something wrong with the audio file of this lesson. I've been trying to come back to this lesson for several times, but can't open it. Read more
一些词汇 : 坑 kēng pit; to defraud 吉星 &... Read more
谢谢老师!:) Read more