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Math Calculator Free online math calculator to add, subtract, multiply and divide positive and negative numbers Online decimal calculator to find sum, difference and products of numbers
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2 + 2 = 5 - Wikipedia 2 + 2 = 5 or two plus two equals five is a mathematical falsehood which is used as an example of a simple logical error that is obvious to anyone familiar with basic arithmetic
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Addition - Wikipedia This observation is expressed as "3 + 2 = 5", which is read as "three plus two equals five" Besides counting items, addition can also be defined and executed without referring to concrete objects, using abstractions called numbers instead, such as integers, real numbers, and complex numbers