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Mathematics, 09.12.2020 21:50 Aaraar

What is the check digit, d, for the credit card number shown below? 6424 9813 2720 008d
А. 1
B. 3
с. 5
D. 7

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What is the check digit, d, for the credit card number shown below? 6424 9813 2720 008d
А. 1<...

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