22 Apr 21
1 edit
@joe-shmo said(3×3×2)/2 = 9. A number can't start with 0 and you have to account for the repeated 2.
How many 4 digit numbers can be made of the digits 2021?
I'm out at the moment but I might attempt the Joe Shmo show at some stage!
Edit: I had to remove the hidden feature, as it was messing up the formatting of the contained text. Obviously that's some sort of bug.
- Joined
- 10 Dec 06
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22 Apr 21
@ashiitaka saidCorrect!
(3×3×2)/2 = 9. A number can't start with 0 and you have to account for the repeated 2.
I'm out at the moment but I might attempt the Joe Shmo show at some stage!
Edit: I had to remove the hidden feature, as it was messing up the formatting of the contained text. Obviously that's some sort of bug.
Yeah, the hidden formatting has issues.
It doesn't like multiline replies, and special characters as far as I can tell..there may be others.
