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Calculate the number 1054

NUMBERMANIA: Calculate the number 1054 using numbers [3, 2, 8, 7, 22, 584] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 28

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

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Who Should Have The Toy?

The father of five children had won a toy at a raffle.

He called his kids together to ask which one should have the present.

"Who is the most obedient?" he asked. "Who never talks back to mother? Who does everything she says?"

Five small voices answered in unison. "Okay, dad, you get the toy."

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Aleksandr Onufriyevich Kovalevsky

Died 22 Nov 1901 at age 61 (born 19 Nov 1840). Russian founder of comparative embryology and experimental histology, who first established that there was a common pattern in the embryological development of all multicellular animals. He studied the lancelet, a fish-shaped sea animal; about 2-in. (5-cm) long; then wrote Development of Amphioxus lanceolatus (1865). Then, in 1866, he demonstrated the similarity between Amphioxus and the larval stages of tunicates and established the chordate status of the tunicates. In 1867, Kovalevsky extended the germ layer concept of Christian Heinrich Pander and Karl Ernst von Baer to include the invertebrates, establishing an important embryologic unity in the animal kingdom. This was important evidence of the evolution of living organisms.a.k.a. Alexander Onufrievich Kovalevski. 19 Nov 1849 and 22 Nov 1901 (new style) are 7 Nov 1840 and 9 Nov 1901 (old style). Image: tunicate tadpole larva (L) and lancelet, Amphioxus (R).

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