Question

Directions: Use the properties of addition to solve the following:
1. 1+2+3+...+9+10=
2. (49 +63)+51=
3. 15+38+47+62+53=
4. 999+999+999+999+999
5.809+803+806+801+807+804=​

Answer 1

Step-by-step explanation:

1)55

2)163

3)215

4)4995

5)4830

I did a lot of effort,so please mark as brainliest