Calculate the number 920
NUMBERMANIA: Calculate the number 920 using numbers [4, 3, 7, 7, 28, 834] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
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Neil ArnottBorn 15 May 1788; died 2 Mar 1874 at age 85.Scottish physician and scientist who invented a water-bed for the comfort of patients during a prolonged illness. He is also known for his invention of the economical Arnott stove, which he called a thermometer-stove with a self-regulating fire.« |