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Calculate the number 1100

NUMBERMANIA: Calculate the number 1100 using numbers [8, 7, 9, 3, 30, 669] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 21

The first user who solved this task is Thinh Ddh.

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Johan Gunnar Andersson

Born 3 Jul 1874; died 29 Oct 1960 at age 86.Swedish geologist and archaeologist whose work laid the foundation for the study of prehistoric China. In 1914, he accepted the offer to become adviser to the Geological survey of China, where he stayed until 1924 and became deeply involved in the excavations at Chou-k'ou-tien outside Peking. In 1921, at a cave near there, on the basis of bits of quartz that he found in a limestone region, he predicted that a fossil man would be discovered. Six years later, the first evidence of the fossil hominid Sinanthropu (Peking man) was found there. In 1923-24, he organized an expedition to Gansu province in Western china where he localised and examined some 50 sites of prehistoric China.

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