MATH PUZZLE: Can you replace...
[6303] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 460 - The first user who solved this task is Nílton Corrêa de Sousa
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 460
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
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The doorbell rings. A man open...

The doorbell rings. A man opens the door and there's his mother-in-law on the front step.
She asks, "Can I stay here for a few days?"
The man says, "Sure you can." And he closes the door.
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Edison patent

In 1878, Thomas A. Edison was issued a patent for “Quadruplex-Telegraph Repeaters” (U.S. No. 209,241). This invention is an improved method for one quadruplex circuit to repeat into another quadruplex circuit. The patent describes the electromagnets, local circuits, switches and connections. The circuits work into and operate each other, so that the message are repeated automatically into one circuit by the receiving instrument of the other circuit, instead of the finger key being operated by hand.
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