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Mathematics, 14.08.2020 04:01 noreenhussain
Show that an integer is divisible by 11 if and only if the alternating sum (add first digit, subtract the second, add the third, subtract the fourth etc) of its digits is divisible by 11 Need an answer by tomorrow if possible please
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Show that an integer is divisible by 11 if and only if the alternating sum (add first digit, subtrac...
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