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Factorial (Math Dictionary)

Factorial: the product of all the consecutive integers up to a given number (used to give the number of permutations of a set of objects), denoted by n!, e.g. 5! = 1 x 2 x 3 x 4 x 5 = 120

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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