Comments | magicmirror: Make 21 using 1,5,6, and 7, each digit exactly once.

magicmirror

Nov 02, 2009 21:56

And nothing but parenthesis, +, - *, and / .

Comments 9

21 vsh_ny November 3 2009, 04:13:47 UTC

6+(4-1)*5

Re: 21 magicmirror November 3 2009, 04:16:36 UTC

Sorry - it was 1, 5, 6, and 7

Re: 21 vsh_ny November 4 2009, 03:30:41 UTC

Чукча не читатель...

Re: 21 magicmirror November 4 2009, 10:07:32 UTC

My mistake, not yours - I posted it icorrectly and then fixed.

zwischenschicht November 3 2009, 06:17:46 UTC

6 / (1 - 5/7)

magicmirror November 3 2009, 09:36:03 UTC

Yes. How long did it take you?

zwischenschicht November 3 2009, 10:41:08 UTC

Well, I am ashamed to admit it, I was rather slow. Maybe a couple of minutes or so.

magicmirror November 3 2009, 10:42:45 UTC

Well, it took me two days - on and off....

Until 5!! bljakhin_mukher November 19 2009, 00:09:25 UTC

Many happy returns!