Replace the question mark with a number
[3729] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 54 - The first user who solved this task is On On Lunarbasil
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 54
The first user who solved this task is On On Lunarbasil.
#brainteasers #math #riddles
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Teacher and student

Teacher: "What is the chemical formula for water?"
Student: "HIJKLMNO."
Teacher: "What are you talking about?"
Student: "Yesterday you said it's H to O!"
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Edison patent

In 1880, Thomas A. Edison was granted a U.S. patent for his invention of an "Electro-Chemical Receiving-Telephone" (No. 231,704).
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