Sum | Define Sum at Dictionary.com

Sum | Define Sum at Dictionary.com

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日期:2026-04-20
sum 1 (sʌm) —n 1. a. the result of the addition of numbers, quantities, objects, etc b. the cardinality of the union of disjoint sets whose cardinalities are the given numbers 2. one or more columns or rows of numbers to be added, subtracted, multiplied,...看更多