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Calculate the number 4109

NUMBERMANIA: Calculate the number 4109 using numbers [4, 6, 1, 5, 80, 743] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 25

The first user who solved this task is Manguexa Wagle.

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April Fool's Day - Freeze your kid’s morning cereal

Freeze your kid’s morning cereal. Put a bowl of your kid’s favorite cereal and milk in the freezer overnight, then watch in the morning as your unsuspecting kid clanks a spoon against the frozen milk.

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William John McGee

Born 17 Apr 1853; died 4 Sep 1912 at age 59.American geologist, hydrologist, archaeologist who was noted for his pioneer studies documenting the occurrence of waves of invasions and recessions of ice sheets in North America, thus establishing the complexity of the Great Ice Age. He worked in a number of governmental capacities, including as a director in the U.S. Geological Survey, and was a founder and president of the National Geographic Society. While on the staff of the Bureau of Soils, he organized the landmarkConference of Governors on Conservation of Natural Resources (13-15 May 1908) and has been called the "chief theorist of the conservation movement." As an anthropologist he studied the American Indians and wrote The Seri Indians (1898).[Image: Seri Indians]

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