MILPITAS, Calif., March 11, 2008– SanDisk Corporation (NASDAQ:SNDK), a leading seller of MP3 players in the United States, today unveiled…
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Addition is a mathematical operation that represents combining collections of objects together into a larger collection. It is signified by the plus sign (+). For example, in the picture on the right, there are 3 + 2 apples—meaning three apples and two other apples—which is the same as five apples. Therefore, 3 + 2 = 5. Besides counting fruits, addition can also represent combining other physical and abstract quantities using different kinds of numbers: negative numbers, fractions, irrational numbers, vectors, decimals and more.
Addition follows several important patterns. It is commutative, meaning that order does not matter, and it is associative, meaning that when one adds more than two numbers, order in which addition is performed does not matter (see Summation). Repeated addition of 1 is the same as counting; addition of 0 does not change a number. Addition also obeys predictable rules concerning related operations such as subtraction and multiplication. All of these rules can be…
MILPITAS, Calif., March 11, 2008– SanDisk Corporation (NASDAQ:SNDK), a leading seller of MP3 players in the United States, today unveiled…
