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1? + 2? + 3? = 51. 2? - 1? = 4. List 1?, 2?, 3? in the format of 1?,2?,3? without spaces. (Find 1?,2?,3? in integer form)

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7 votes

Answer:


Explanation:

To calculate combinations, we will use the formula nCr = n! / r! * (n - r)!, where n represents the number of items, and r represents the number of items being chosen at a time. To find the probability of an event, you may have to find the combinations.

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