0 sats \ 5 replies \ @Scroogey 3 Nov \ parent \ on: [Daily puzzle] Light bulb problem science
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Is that because 1 as last number is the only one that gives a unique solution to multiplying two non equal values below 10? E.g. 11, 31, 41,... can't be obtained in such a way?
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I like this problem. The answer only hit me after i read your suggestion though. I assumed trolling at first...
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