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Here's my credit card number
71,048 просмотров • 3 лет назад •via X (Twitter)
Комментарии: 9

Howie Hua3 лет назад
Slight correction that doesn't affect 16-digit numbers but does affect 15-digit numbers (ex: amex): We would read right to left and double the even placements.

Austin in Dallas3 лет назад
Brilliant! It all makes so much sense now

Michael Butler3 лет назад
What the???

Dime-Store-Cowboy 🦅3 лет назад
You're pretty cool dude. I like your math work.

Frank Boesch3 лет назад
This is awesome @howie_hua !!

musicreaver 🔜 ???3 лет назад
That’s really cool, I never knew that about credit cards.

🇮🇳sandeep deshmukh🇮🇳3 лет назад
Hummmm.....,👌

Glenner3 лет назад
My credit card digits add up to a pre number 🤷♂️

R. D. Fernández ن3 лет назад
Thank you.
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i am…bailey angelou.
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