Calculate AxB
[643] Calculate AxB - Determine the pattern of the subtraction, and calculate AxB. - #brainteasers #math - Correct Answers: 27 - The first user who solved this task is Sanja Šabović
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Calculate AxB

Determine the pattern of the subtraction, and calculate AxB.
Correct answers: 27
The first user who solved this task is Sanja Šabović.
#brainteasers #math
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Solitaire

Two lunatics are in the rec room of an asylum. One is playing solitaire, and the other is watching. Suddenly, the watcher says, "Hey! You just cheated yourself!"
"Ssh!" The other whispers, "Don't tell anybody, but I've been cheating myself at solitaire for years."
The first nut whispers back, "But, don't you ever catch yourself?"
"Nope", the solitaire player say proudly, "I'm way too clever!"
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Permanent wave

In 1906, a German, Karl Ludwig Nessler, demonstrated the first “permanent wave” for hair, in his beauty salon in Oxford Street, London, to an invited audience of hair stylists. The hair was soaked with an alkaline solution and rolled on metal rods which were then heated strongly. However, this method had the disadvantages of being very lengthy (about 5 hours) and expensive for each application. Also the machine was large and cumbersome, and the client was obliged to wear a dozen brass curlers, each weighing 1-3/4 lb. With the outbreak of WW I, he moved to the United States and opened salons in New York, Chicago, Detroit, Palm Beach and Philadelphia with a peak of 500 employees.
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