Practice
Line Interaction Addition and Subtraction
Addition, subtraction, addition and subtraction. That’s all.
i) Addition
ii) Subtraction
iii) Addition
iv) Subtraction
![Slide Image](../../../assets/img/2016–2020/F2016/GRA121/P2/Line%20Interaction%20Step%204.png)
Practice
Addition, subtraction, addition and subtraction. That’s all.
i) Addition
ii) Subtraction
iii) Addition
iv) Subtraction