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Calculate the number 4344

NUMBERMANIA: Calculate the number 4344 using numbers [3, 7, 9, 9, 57, 471] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 21

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

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A Neutron At A Bar

A neutron walks into a bar. "I'd like a beer" he says.
The bartender promptly serves up a beer.
"How much will that be?" asks the neutron.
"For you?" replies the bartender, "no charge"

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Sir Thomas Bouch

Died 30 Oct 1880 at age 58 (born 25 Feb 1822).English railway engineer who was knighted for building the Tay Railway Bridge that afterwards collapsed in a fierce gale on 28 Dec 1879 killing a trainload of people. His railway engineering career began at age 17. By 1849, he was Engineer and Manager of the Edinburgh and Northern Railway. Realising the value of a bridge to replace ferries across the mile-wide Firth of Tay on the east Scottish coast, he spent 20 years promoting such a project before it was approved. The foundation stone was laid on 22 Jul 1871. The two-mile bridge of lattice girders on ironwork columns was opened 31 May 1878, but failed the next year. He died four months after the Court of Inquiry held him responsible for poor design against wind pressure.«

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