Calculate the number 840
NUMBERMANIA: Calculate the number 840 using numbers [8, 6, 8, 5, 99, 164] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 2
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John VennBorn 4 Aug 1834; died 4 Apr 1923 at age 88.English mathematician and logician. |