图 书 馆
编号：减法的介绍Numbers: An introduction to subtraction |
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| 课程网址: | http://openlearn.open.ac.uk/course/view.php?name=Sub_1 |
| 主讲教师: | The Open University |
| 开课单位: | 英国开放大学 |
| 开课时间: | 信息不详。欢迎您在右侧留言补充。 |
| 课程语种: | 英语 |
| 中文简介: |  |
| 课程简介: | Do you want to improve your ability to subtract one number from another, especially if decimals are involved, without having to rely on a calculator? This unit will help you get to grips with subtraction and give you some practice in doing it. |
| 关 键 词: | 减法; 小数; 计算器 |
| 课程来源: | 信息不详。欢迎您在右侧留言补充。 |
| 最后编审: | 2015-10-10：linxl |
| 阅读次数: | 56 |