BRAIN TEASERS

# Calculate AxBxC

Determine the pattern, and calculate axbxc.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math

### A Texas cowboy went to the den...

A Texas cowboy went to the dentist with a toothache. After an exam, the dentist told the cowboy he had a tooth that had to come out.
"I'm going to give you a shot of Novocain," the dentist explained, "and I'll be back in just a few minutes."
The old cowboy grabbed the doc's arm and said, "No way! I hate needles and I ain't havin' no shot!"
The dentist said, "That's ok, we'll just go with gas instead."
The cowboy replied, "Gas makes me sick! I ain't havin' no gas either!"
Without saying a word, the dentist turned and left the room for a minute, and when he came back, he handed the cowboy a glass of water and said, "Here, take this pill."
The cowboy looked at the pill and asked, "What is it?"
The dentist replied, "It's Viagra."
The old cowboy looked surprised and asked, "Will that kill the pain?"
"No," replied the dentist, "but it'll give you something to hang on to while I pull that tooth."
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### Augustus De Morgan

Died 18 Mar 1871 at age 64 (born 27 Jun 1806). English mathematician and logician who did important work in abstract symbolic logic, the theory of relations, and formulated De Morgan's laws: one is “NOT (A AND B) = (NOT A) or (NOT B)” and the other is “NOT (A OR B) = (NOT A) AND (NOT B)”. These laws continue to be applied in modern proof theory and for software programming. When he defined and introduced the term “mathematical induction” (1838), he gave the process a rigorous basis and clarity that it had previously lacked. He originated the use of the slash to represent fractions, as in 1/5 or 3/7. In Trigonometry and Double Algebra (1849) he gave a geometric interpretation of complex numbers.«[Born in India, De Morgan (according to Macfarlane) De Morgan considered himself to be British, without being specifically English, Scottish, Welsh or Irish.]
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