funny math question

👨🏻‍🏫 學術台數學

[匿名]

2007-04-30 9:09 am

how many different ways can u spell WILLIAM?

回答 (2)

Brian Lui

2007-04-30 10:05 am

✔ 最佳答案

If you are talking about the no. of combinations with these letters, then:
WILLIAM has 7 letters - with double I, double L, and other letters single.
So,　no. of combinations = 7! / (2! 2!) = 5040 / 4 = 1260.

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williamchan2222

2007-04-30 6:00 pm

7!=
1*2*3*4*5*6*7
=5040

參考: me and my friends

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