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Operations puzzles.

 
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Virgil Nicula
Euler


Joined: 28 Sep 2007
Posts: 672

PostPosted: Thu Sep 01, 2011 2:12 pm    Post subject: Operations puzzles. Reply with quote

Challenge. Fill in each \qed with one of the digits from 1 through 9 to make a true statement. Each digit

may be used only once: \qed\ \ \div\ \ \qed\ \ \times\ \ \qed\ \ +\ \ \qed\ \ \times\ \ \qed\ \ \times\ \ \qed\ \ \div\ \ \qed\ \ +\ \ \qed\ \ \times\ \ \qed\ =\ 100 .


Last edited by Virgil Nicula on Thu Sep 01, 2011 4:57 pm; edited 2 times in total
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Mateescu Constantin
Newton


Joined: 21 Apr 2009
Posts: 398
Location: Londra/Pitesti

PostPosted: Thu Sep 01, 2011 3:06 pm    Post subject: Re: Operations puzzles. Reply with quote

Virgil Nicula wrote:
Challenge. Fill in each \qed with one of the digits from 1 through 9 to make a true statement. Each digit may be used only once.

\qed\ \ \div\ \ \qed\ \ \cdot\ \ \qed\ \ +\ \ \qed\ \ \cdot\ \ \qed\ \ \cdot\ \ \qed\ \ \div\ \ \qed\ \ +\ \ \qed\ \ \cdot\ \ \qed\ =\ 100
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Virgil Nicula
Euler


Joined: 28 Sep 2007
Posts: 672

PostPosted: Thu Sep 01, 2011 4:25 pm    Post subject: Re: Operations puzzles. Reply with quote

*** Error ***

Last edited by Virgil Nicula on Thu Sep 01, 2011 4:52 pm; edited 2 times in total
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Mateescu Constantin
Newton


Joined: 21 Apr 2009
Posts: 398
Location: Londra/Pitesti

PostPosted: Thu Sep 01, 2011 4:32 pm    Post subject: Reply with quote

Possible answers:

9\ \div\ 2\ \times\ 6\ +\ 7\ \times\ 5\ \times\ 8\ \div\ 4\ +\ 1\ \times\ 3\ =\ 100

7\ \div\ 1\ \times\ 9\ +\ 3\ \times\ 5\ \times\ 2\ \div\ 6\ +\ 8\ \times\ 4\ =\ 100
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Virgil Nicula
Euler


Joined: 28 Sep 2007
Posts: 672

PostPosted: Thu Sep 01, 2011 4:52 pm    Post subject: Reply with quote

Quote:
Challenge. Fill in each \qed with one of the digits from 1 through 9 to make a true statement. Each digit

may be used only once: \qed\ \ \div\ \ \qed\ \ \times\ \ \qed\ \ +\ \ \qed\ \ \times\ \ \qed\ \ \times\ \ \qed\ \ \div\ \ \qed\ \ +\ \ \qed\ \ \times\ \ \qed\ =\ 100 .

Multumesc, Costele ! Am adus si eu o contributie prin \times ... Very Happy M-a pus in mare incurcatura atat

LaTeX - ul, cat si rezolvarea acestei probleme din tema pentru acasa a lui Ph. (clasa a VI - a).
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