Calculate the number 883
NUMBERMANIA: Calculate the number 883 using numbers [8, 6, 9, 7, 62, 543] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
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Street cleaning machineIn 1854, Philadelphia residents were amazed as the first practical street cleaning machine was put into operation this day. A series of brooms attached to a cylinder mounted on a cart was turned by a chain driven by the turning of the cart's wheels. |