Mathmatics
by Cristovão Zhu
![Mind Map: Mathmatics](https://www.mindmeister.com/image/xlarge/369759606/mind-map-mathmatics.png)
1. Division
1.1. Divide by the number
1.1.1. Examples
1.1.1.1. 2/10=10
1.1.1.2. 10/100=10
2. Multiplication
2.1. Multiply by the number
2.1.1. 10*10=100
2.1.2. 11*10=110
3. Addition
3.1. Add more
3.1.1. Examples
3.1.1.1. 1+20=21
3.1.1.2. 40+60=100
4. Subtraction
4.1. Take more
4.1.1. Examples
4.1.1.1. 1-10=-9
4.1.1.2. 10-1=9