实验室宣布推出一个新的数学习题生成器，教师可以用它编写数学题并以无纸的word文档形式发给学生。
The group just announced a new math Worksheet Generator where teachers can generate math problems and email them in paperless Word format to their students.
在做了几年的业余数学爱好者之后，你可以在脑海里做很多数学题，即使你从没碰过笔和纸。
After a year of doing part-time hobbyist catch-up math, you're going to be able to do a lot more math in your head, even if you never touch a pencil to a paper.
题录型专利公报品；周刊。它出版纸本，同时也可以在线阅读。
题录型专利公报品；周刊。它出版纸本，同时也可以在线阅读。
应用推荐