Consider a set {1,2,3, ,100} The number of ways in which a n

Here's a short video about the addition of an arbitrary number of unique positive integers up to

Instead, use the minus operator in a formula; for example, =8-3+2-4+12 1x =1n Use =1n in a formula, where n is the number you want

123 100 One half of 34 = ½ of 34 = 342 = 17 Three halves of 14 = 32 of 14 = 3 x 142 = 3 x 7 = 21 Thirds One third is equivalent to the fraction: 1

123 100 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97 Prime Numbers from 1 to 100 List of Numbers, Prime Numbers