# Gauss's Trick - Arithmetic Sums

by Johnathanrs
Tags: arithmetic, gauss, sums, trick
 Emeritus Sci Advisor HW Helper Thanks PF Gold P: 6,262 In order to see how this works, write down the string of integers in two different ways:  1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 What do you notice about the sum of each column of numbers?