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Calculate the number 5648

NUMBERMANIA: Calculate the number 5648 using numbers [9, 1, 3, 9, 68, 498] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 13

The first user who solved this task is Nílton Corrêa de Sousa.

#brainteasers #math #numbermania

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Geraniums....

"I'm sorry," said the clerk in flower shop, "we don't have potted geraniums. Could you use African violets instead?"

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Leonard Carmichael

Born 9 Nov 1898; died 16 Sep 1973 at age 74.American psychologist who was among the first scientists to study and catalogue the earliest development of children. Of his many books, Manual of Child Psychology, is a classic. From 1953-64 he was the 11th secretary of the Smithsonian Institution. Responsible for the modernization of the “nation's attic,” he guided the creation of the Museum of History and Technology, and the addition of two new wings on to the Museum of Natural History. In 1964, Carmichael became the Vice-President for Research and Exploration at the National Geographic Society where he sponsored exciting and ground-breaking projects such as the work of Jacques-Yves Cousteau, or Louis and Mary Leakey in East Africa, or Jane Goodall's work on the behaviour of primates.

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