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Find number abc

If 98160 + a721b = 1aca7b find number abc. Multiple solutions may exist.

Correct answers: 4

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Bowling ball humor

I worry about the germs in the holes of bowling balls. Nobody cleans those holes. There are years of impacted pizza fingers in there. Taco fingers. Chicken fingers. I'm amazed those balls still have holes. Ever smell a bowling ball hole? You think the balls are knocking down the pins? You're wrong. The pins are passing out from the smell.

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John Wallis

Died 8 Nov 1703 at age 86 (born 3 Dec 1616). British mathematician who introduced the infinity math symbol. Wallis was skilled in cryptography and decoded Royalist messages for the Parliamentarians during the Civil War. Subsequently, he was appointed to the Savilian Chair of geometry at Oxford in 1649, a position he held until his death more than 50 years later. Wallis was part of a group interested in natural and experimental science which became the Royal Society, so Wallis is a founder member of the Royal Society and one of its first Fellows. Wallis contributed substantially to the origins of calculus and was the most influential English mathematician before Newton.[DSB gives dates 3 Dec 1616 - 8 Nov 1703. EB gives 23 Nov 1616 - 28 Oct 1703.]

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