Calculate the number 3909
[4423] Calculate the number 3909 - NUMBERMANIA: Calculate the number 3909 using numbers [1, 3, 5, 6, 12, 273] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Manguexa Wagle
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Calculate the number 3909

NUMBERMANIA: Calculate the number 3909 using numbers [1, 3, 5, 6, 12, 273] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Manguexa Wagle.
#brainteasers #math #numbermania
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A guy is stranded on a desert...

A guy is stranded on a desert island all alone for ten years. One day he sees a speck on the horizon. He thinks to himself, "It's not a ship."
The speck gets a little closer and he thinks, "It's not a boat." The speck gets even closer and he thinks, "It's not a raft." Then, out of the surf comes this gorgeous blonde woman wearing a wet suit and scuba gear.
She comes up to the guy and she says, "How long has it been since you've had a cigarette?"
"Ten years!" he says.
She reaches over, unzips this waterproof pocket on her left sleeve and pulls out a pack of fresh cigarettes.
He takes one, lights it, takes a long drag and says, "Man, oh man! Is that good!"
Then she asked, "How long has it been since you've had a drink of whiskey?"
He replies, "Ten years!"
She reaches over, unzips her waterproof pocket on the right, pulls out a flask and gives it to him.
He takes a long swig and says, "Wow! That's fantastic!"
Then she starts unzipping this long zipper that runs down the front of her wet suit and she says to him, "And how long has it been since you've had some REAL fun?"
And the man replies, "Oh my! Don't tell me you've got a computer in there!"
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Fourdrinier paper-making machine patent

In 1806, a British patent, No 2,951/1806 was dated for Henry Fourdrinier's paper-making machine. The specification gave that "A number of moulds, of the description called laid and wove, are hooked together to form one long mould...A vessel or trough from which the paper stuff or material is caused to flow upon the moulds...A set of cylinders, upon which is passed, in the manner of a jack towel, an endless web of felting. There is a third cylinder...communicates by means of another web of felt with an additional pair of pressing cylinders, whence it proceeds to the second pair,...so that continuing the process, paper of any length may be made..." Improvements were granted a further patent dated 14 Aug 1807.«
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