Second grade,our class about a lot of problems,there are ten thousand or more addition and subtraction,it is really interesting.I love it
二年级时,我们上课讲了很多问题,有万位以上的加减法,真的很有趣.我很喜欢.英文 翻译.
Second grade,our class about a lot of problems,there are ten thousand or more addition and subtraction,it is really interesting.I love it