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How is this done?
http://www.learnenglish.org.uk/games/ma … entral.swf
It was sent to me by email and cant work out how it works?
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2 Replies
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If you notice, your number is always a multiple of nine. In the symbol chart, all multiples of 9 have the same symbol although it changes each time
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The formula always leads to an answer that is a multiple of 9. All the symbols on 9, 18, 27 etc are the same.
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