Calculate the number 1390
[7288] Calculate the number 1390 - NUMBERMANIA: Calculate the number 1390 using numbers [5, 1, 7, 8, 61, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 2
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Calculate the number 1390

NUMBERMANIA: Calculate the number 1390 using numbers [5, 1, 7, 8, 61, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
#brainteasers #math #numbermania
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Died 17 Apr 1996 at age 85 (born 25 Aug 1910).American inventor of the Rolodex, an alphabetized rotating card file with a ball-bearing clutch. He invented the device in the 1940s with the help of an engineer who developed the cylindrical housing. Neustadter specialized in office technology, also inventing the Swivodex, spill-proof inkwell and the Clipodex, a knee-top dictation tool.
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