Is the following UPC valid or invalid 4-63291-48231-4 ?
Invalid; d = 1
Valid
Invalid; d...
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Mathematics, 01.03.2021 01:00 ChanceJ
Is the following UPC valid or invalid 4-63291-48231-4 ?
Invalid; d = 1
Valid
Invalid; d = 9
Invalid; d = 3
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Answers: 2
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