Find number abc
[5238] Find number abc - If c3ab2 + 9c88b = 1c04a9 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 32 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If c3ab2 + 9c88b = 1c04a9 find number abc. Multiple solutions may exist.
Correct answers: 32
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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A man realized he needed to pu...

A man realized he needed to purchase a hearing aid, but didn't want to spend a lot of money. "How much do they cost?" he asked the salesman.
"Anything from $2 to $2,000."
"Can I see the $2 model?" said the customer.
The salesman put the device around the man's neck, and said: "You just stick this button in your ear and run this little string down into your pocket."
"How does it work?" asked the customer.
"For $2, it doesn't work," said the salesman. "But when people see it on you, they'll talk louder."
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Edison patent

In 1876, Thomas A. Edison was issued three patents for "Duplex Telegraphs" (U.S. No. 178,221; -3). These were for "an Improvement in Duplex Telegraphs" which enable a transmitted signal be sent on the same wire that could be receiving a signal. In patent 178,222, Edison describes "A balanced battery is used for transmitting when the balance is disturbed. An electromagnet is used, through which both the received and transmitted pulsations pass, and the connections are made so that the action of the current sent is balanced, while that coming from the distant station is operative, to work a balanced relay and local circuit or sounder."
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