The sum of the numbers 1 through 27 is 378.
The sum of the numbers from 1 through 100 is 5,050.
The sum of all the numbers 1 through 200 is 20,100.
The sum of the whole numbers 1 through 1,000 is 500,500.
The sum of all odd numbers 1 through 99 is 9,801.
The sum (done on a spreadsheet) of 1 to 35 as odd numbers is 1225.
The sum of the numbers 1 through 27 is 378.
The sum of the numbers from 1 through 100 is 5,050.
The sum of all the numbers 1 through 200 is 20,100.
The numbers are 18 and -17 because 18-(-17) = 35 and 18+(-17) = 1
The sum of the whole numbers 1 through 1,000 is 500,500.
The sum of all odd numbers 1 through 99 is 9,801.
The sum of whole numbers 1 through 30 is 465.
201
The sum of all the odd numbers from 1 through 100 is 10,000
465
28