尾数计算法简介:The first class was a Chinese language test. Old Man Yan sat on the podium and asked the class representative to start handing out papers. When the two classes were over and the class was about to end, he asked the class representative to collect the papers.
The first class was a Chinese language test. Old Man Yan sat on the podium and asked the class representative to start handing out papers. When the two classes were over and the class was about to end, he asked the class representative to collect the papers.