F.1 Mathematics
Chapter 2 - Directed Number
Chapter 2 - Directed Number
第2章 - 有向數
第2章 - 有向數
2.1 Directed Number and Number Line
2.1 Directed Number and Number Line
有向數及數線
有向數及數線
2.2 Addition and Substraction of Directed
2.2 Addition and Substraction of Directed
Number 有向數的加法和減法
Number 有向數的加法和減法
2.3 Multiplication and Division of Directed
2.3 Multiplication and Division of Directed
Number 有向數的乘法和除法
Number 有向數的乘法和除法