Check Digits

Check Digits

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日期:2024-05-15
Check Digit: A decimal (or alphanumeric) digit added to a number for the purpose of detecting the sorts of errors .... 3a1 + 7a2 + a3 + 3a4 + 7a5 + a6 + 3a7 + 7 a8 + a9 mod 10 = 0....看更多