Divide five sixths of a ton of coal into four parts on average, and find out how much each part is, that is, find out how much () of five sixths of a ton is?

Divide five sixths of a ton of coal into four parts on average, and find out how much each part is, that is, find out how much () of five sixths of a ton is?


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There is a pile of five sixths of coal, one sixth of which is transported away and five sixths left


Right, ignore the weight of the coal first. "There's a pile of coal, one sixth of it is taken away, and there's five sixths left."