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cwrw238
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Just for fun  i found this question in a puzzle book  explain why numbers of the form ABABAB where A and B are positive whole numbers are divisible by 7.
 2 years ago
 2 years ago
cwrw238 Group Title
Just for fun  i found this question in a puzzle book  explain why numbers of the form ABABAB where A and B are positive whole numbers are divisible by 7.
 2 years ago
 2 years ago

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mrvontar Group TitleBest ResponseYou've already chosen the best response.0
because 6/7=1.
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.0
are A and B digets in a single number, or are they terms in a product?
 2 years ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.0
its because 10101 is a factor of all these numbers (e.g. 484848) and 10101 is a multiple of 7
 2 years ago
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