Calculate the number 714
NUMBERMANIA: Calculate the number 714 using numbers [2, 2, 1, 1, 87, 542] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
#brainteasers #math #numbermania
Johan August ArfwedsonBorn 12 Jan 1792; died 28 Oct 1841 at age 49.Swedish chemist who discovered lithium (1817) in a compound in the mineral petalite, though he was unable isolate it as metal. That required electrolysis with stronger batteries than he had available. (The separation was eventually accomplished by Davy.) Arfwedson abandoned scientific endeavour to spend his time running his family's manufactories and mines that he inherited. Petalite is now known to be lithium aluminium silicate.« |