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| the process of replacing a number by another number of approximately the same value but having fewer digits |
| a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3 |
| associative (ə-sō'shə-tĭv) Pronunciation Key
Of or relating to the property of an operation, such as addition or multiplication, which states that the grouping of numbers undergoing the operation does not change the result. For example, 3 + (4 + 5) is equal to (3 + 4) + 5. See also commutative, distributive. |