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ZHC on Twitter: "A lot of people thought the viral “human calculator” video I posted was fake so here's one I did without cuts I thought of on the spot https://t.co/hw4kqY5E6s" /
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Mental Math: Tricks To Become A Human Calculator 2, V R, Abhishek, The School of Genius, Ofpad - Amazon.com
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15 Year Old YAASHWIN SARAWANAN Is A HUMAN CALCULATOR! | Asia's Got Talent 2019 on AXN Asia - YouTube
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I'm a human calculator': what's it like to be a child genius – or to raise one? | Parents and parenting | The Guardian
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