Which one of the following is the correct value of?

[匿名]

2017-08-13 9:14 am

回答 (2)

Captain Matticus, LandPiratesInc

2017-08-13 9:23 am

174C173 =>
174! / (173! * (174 - 173)!) =>
174 * 173! / (173! * 1!) =>
174 / 1 =>
174

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Sqdancefan

2017-08-13 9:20 am

174C173 = 174 . . . selection A

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