Calculate the number 590
NUMBERMANIA: Calculate the number 590 using numbers [9, 1, 5, 5, 58, 531] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 3
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Space GrappleIn 1994, a magnetic grappling system was used in outer space for the first time. The 50-foot robot arm was operated by several Columbia astronauts taking turns. |