Complete the following based on Gauss's method of pairing numbers, then multiplying by the number of pairs. See techniques for adding 100 numbers for more information.

Compute:

Sum of pairs? How many numbers? How many pairs? Total sum? × =

Sum of pairs?

How many numbers?

How many pairs?

Total sum? × =

New problem Check?

Input numbers to create your own problem.

Compute: + + + … + + + =

Check?

Clear