Calculate the number 1160
[6764] Calculate the number 1160 - NUMBERMANIA: Calculate the number 1160 using numbers [1, 1, 2, 9, 67, 422] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nasrin 24 T
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Calculate the number 1160

NUMBERMANIA: Calculate the number 1160 using numbers [1, 1, 2, 9, 67, 422] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Sir George Thomas Beilby

Died 1 Aug 1924 at age 73 (born 17 Nov 1850).Scottish industrial chemist who developed (1890) the process of manufacturing potassium cyanide (widely used to extract gold from low-grade ore) by passing ammonia over a heated mixture of charcoal and potassium carbonate. Beilby entered the oil-shale industry in 1869 and greatly increased the yield of paraffin and ammonia by introducing the continuous retort. Noting the destruction of metals by ammonia at high temperatures, Beilby researched the flow of solids. He inferred that when a solid is caused to flow, as in polishing, the crystalline surface is broken down to a harder and denser layer. Although much criticized, this theory explained the hardening of metals under cold working and gave valuable stimulus to further research.
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