Problem sums
1. Find the sum of 1 to 60.
2. Find the sum of 28 to 269.
3.Find the sum of all the even numbers from 1 to 100.
4. Find the sum of all the odd numbers from 1 to 210.
2. Find the sum of 28 to 269.
3.Find the sum of all the even numbers from 1 to 100.
4. Find the sum of all the odd numbers from 1 to 210.