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Online Calculators > Math Calculators > 20 Combination 320 Combination 3
What is 20 combination 3? - 20 Combination 3 equals 1,140. 20 C 3 combination calculator to calculate the combination between the total number of items, and the number of items chosen.
Change the 20 and 3 below for any other calculation.
Total # of Items (n) must be greater or equal to the # of Items Chosen (r).
20 combination 4
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