Find number abc
[6533] Find number abc - If b8b81 - c87ca = ca8bc find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 18 - The first user who solved this task is Nasrin 24 T
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Find number abc

If b8b81 - c87ca = ca8bc find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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World Post Day Jokes

On 9th October we celebrate World Post Day! Here's some postal humor for you:

What’s a postman’s favorite type of music?
Mail-ody!

Why did the feminist refuse to work at the post office?
Because it was a mail dominated industry

Have you heard about the dyslexic spy who got caught with a suitcase nuke in the post office?
Fission mailed!

So I got a phone call from the post office today...
...complaining that my dog is attacking a postman on a bike. But I told them "It can't be my dog... he doesn't even know how to ride a bike".

Did you hear that the Post Office just recalled their latest stamps?
They had pictures of lawyers on them ...and people couldn't figure out which side to spit on.

#worldpostday
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Screw pointing and threading machine patent

In 1852, Cullen Whipple, of Providence, R.I., patented his "Mechanism for Pointing and Threading Screw-Blanks in the Same Machine" (U.S. No. 9477). His new design incorporated additional cutters in the same threading machine he had patented on 18 Aug 1842 (No. 2754, reissued 5 Mar 1850). Before machines provided a point on screws, they had blunt ends, and it was necessary to drill a starter hole. In Oct 1840, he was one of ten incorporators of The New England Screw Co. After his original thread-cutting machine, he invented another for shaving the heads of screws (patented 6 Apr 1843) and one for removing the burs left in cutting the slots in the heads (patented 19 Apr 1843). He patented seven other screw-manufacturing devices.«
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