Calculate the number 9809
[1523] Calculate the number 9809 - NUMBERMANIA: Calculate the number 9809 using numbers [7, 6, 2, 6, 21, 745] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 29 - The first user who solved this task is Sanja Šabović
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Calculate the number 9809

NUMBERMANIA: Calculate the number 9809 using numbers [7, 6, 2, 6, 21, 745] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 29
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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A bishop, a priest...

A bishop, a priest, and a deacon, were about to be executed for preaching the Gospel in a foreign land. They bring out the bishop first and the guard shots, “Ready… aim…” and suddenly the bishop yells, “EARTHQUAKE!” When everyone looks around, the bishop runs off. Next they bring out the priest. They guard shouts, “Ready… aim…” and suddenly the priest yells, “TORNADO!” When everyone ducks, the priest runs off. By then, of course, the deacon had it figured out. They bring him out and when the guard shouts, “Ready… aim…,” suddenly the deacon yells, “FIRE!”
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Robert Stirling

Died 6 Jun 1878 at age 87 (born 25 Oct 1790).Scottish minister and inventor of the Stirling Cycle engine. Its principles were included in his first British patent, No. 4081 (1816), which he called the heat economiser as he described methods of regenerating heat from exhaust back into input gases. He continued to refine his idea for years in his home workshop during his spare time. The first practical Stirling engine generated about 2 horsepower, spending two years pumping water out of a quarry. By 1843, he had a modified steam engine producing 37 horsepower. He was assisted in preparing further patents by his brother James, a mechanical engineer who managed a foundry where the engine was manufactured. Robert also made scientific instruments.«
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