Calculate the number 4937
[523] Calculate the number 4937 - NUMBERMANIA: Calculate the number 4937 using numbers [8, 7, 9, 5, 58, 721] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 32 - The first user who solved this task is Sanja Šabović
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Calculate the number 4937

NUMBERMANIA: Calculate the number 4937 using numbers [8, 7, 9, 5, 58, 721] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 32
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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A boy had reached four without...

A boy had reached four without giving up the habit of sucking his thumb, though his mother had tried everything from bribery to reasoning to painting it with lemon juice to discourage the habit. Finally she tried threats, warning her son that, "If you don't stop sucking your thumb, your stomach is going to blow up like a balloon." Later that day, walking in the park, mother and son saw a pregnant woman sitting on a bench. The four-year-old considered her gravely for a minute, then spoke to her saying, "Uh-oh ... I know what you've been doing."
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Enrico Betti

Born 21 Oct 1823; died 11 Aug 1892 at age 68.Italian mathematician who is noted for his contributions to algebra and topology. His early work is in the area of equations and algebra. He wrote the first rigorous exposition of the theory of equations, previously given without proofs, developed by the noted French mathematician Évariste Galois (1811-32). Betti extended and gave proofs relating to the algebraic concepts of Galois, published in several works from 1851. Betti thus made an important contribution to the transition from classical to modern algebra. He was the first to give a proof that the Galois group is closed under multiplication. Betti also wrote a pioneering memoir on topology, the study of surfaces and space. Betti did important work in theoretical physics, in particular in potential theory and elasticity.
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