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wu :: forums    riddles    medium (Moderators: ThudnBlunder, Icarus, william wu, towr, Eigenray, SMQ, Grimbal)    Re: Item quiz « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: Re: Item quiz  (Read 705 times) Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: Item quiz   « on: Mar 1st, 2016, 1:21pm » Quote Modify https://www.dropbox.com/s/sa2abzdy0j4fess/File+23-02-16,+23+17+03.jpeg   7.  I mean: A.   My first idea was that with 3 equations and 4 variables, you could easily fit the center value as a linear combination of any 3 corners.  You could even make fit all 4 equations with any value at the question mark.  I discarded the idea as, too easy. And yet...   hidden: 1x8+2x3+3x7+4x1 = 39 1x2+2x6+3x4+4x5 = 46 1x9+2x6+3x1+4x2 = 32 1x4+2x3+3x7+4x3 = 43   « Last Edit: Mar 4th, 2016, 9:54am by Grimbal » IP Logged Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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