Calculate the number 623
[4243] Calculate the number 623 - NUMBERMANIA: Calculate the number 623 using numbers [1, 2, 1, 5, 24, 338] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 23 - The first user who solved this task is Thinh Ddh
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Calculate the number 623

NUMBERMANIA: Calculate the number 623 using numbers [1, 2, 1, 5, 24, 338] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 23
The first user who solved this task is Thinh Ddh.
#brainteasers #math #numbermania
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A Jewish Landing

As the plane settled down at Ben Gurion airport, the voice of the Captain came on:
"Please remain seated with your seatbelt fastened until this plane is at a complete standstill and the seat belt signs have been turned off.""To those of you standing in the aisles, we wish you a Happy Hanukkah."
"To those who have remained in their seats, we wish you a Merry Christmas."

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Francis Edward Elmore

Born 9 Nov 1864; died 26 Jul 1932 at age 67.British technologist who, with his brother Alexander Stanley El, jointly developed floatation processes to separate valuable ore, such as copper, from the gangue (worthless rock) with which it is associated when mined. In 1898, they obtained a patent for the first practical equipment (British patent No. 21,948). Pulverized ore is mixed with water and brought into contact with thick oil. The oil entraps the metallic constituents, which are afterwards separated, and gangue passed away with the water. They installed their equipment at mines in north Wales, northern England, and at the Broken Hill lead and zinc mines in Australia. Today, floatation methods remain vital in the mining industry, processing millions of tons of ores each year.
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