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Topic: even-odd (Read 415 times) |
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BNC
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Posts: 1732
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In the following multiplication, each even figure is replaced by an "E", and each odd by an "O". What is the result? Code: OEO X EOE --- EEEE OOO OEEE -------- OOOOOE |
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How about supercalifragilisticexpialidociouspuzzler [Towr, 2007]
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cho
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Answer: labeling the digits for easy explanations: abc x def ___ AF>20: AE<10: E is not 1. Therefore A=3 and E = 3 BE<10: B=0 or 2 10<CE<20: C=5 AD results in OddEven, so B=0 and D=4 20<AF<30: F=8
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