An integer is the set of positive and negative whole numbers. ... a negative integer represents how much of something you owe someone else. ... <看更多>

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Make a function that can take any non-negative integer as a argument and return it with it's digits in descending order. - descendingOrder.js. ... <看更多>

Since X takes non-negative integer values, i.e. X∈S={0,1,2,⋯}, say X=n for some n≥0, then we note that (1) ∀k∈S∩[0,n], ... ... <看更多>