Find number abc
If 6c6a1 + 6148b = 12a1c1 find number abc. Multiple solutions may exist.Correct answers: 0
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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. |