Calculate the number 4915
[4295] Calculate the number 4915 - NUMBERMANIA: Calculate the number 4915 using numbers [1, 6, 5, 5, 17, 181] 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 4915

NUMBERMANIA: Calculate the number 4915 using numbers [1, 6, 5, 5, 17, 181] 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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The Typewriter

They had been up in the attic together doing some cleaning. The kids uncovered an old manual typewriter and asked, 'Hey Mom, what's this?'
'Oh, that's an old typewriter,' she answered, thinking that would satisfy their curiosity.
'Well what does it do?' they asked.
'I'll show you,' she said and returned with a blank piece of paper. She rolled the paper into the typewriter and began striking the keys, leaving black letters of print on the page.
'WOW!' they exclaimed, 'That's really cool.! But how does it work like that? Where do you plug it in?'
'There is no plug,' she answered. 'It doesn't need a plug.'
'Then where do you put the batteries?' they persisted.
'It doesn't need batteries either.' she continued.
'Wow! This is so cool!' they exclaimed. 'Someone should have invented this a long time ago!'

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John Jacob Abel

Born 19 May 1857; died 26 May 1938 at age 81. American biochemist and pharmacologist who made important contributions to a modern understanding of the ductless, or endocrine, glands. In 1893, he became the first full-time professor of pharmacology in the U.S. at John Hopkins University. Abel encouraged his students to conduct experiments and become active participants in his laboratory research. In 1897 he reported the isolation of a derivative of epinephrine (adrenaline). In 1926, he isolated and crystallized insulin. Abel also investigated the functions of the kidney and devised a vividiffusion apparatus for removing toxins from the blood of living animals, an apparatus that is widely regarded as a forerunner of the artificial kidney.
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