Question: When evaluating the expression DeRef ( x ) + 1 0 under an environment env and a store s , we have eval ( Plus

When evaluating the expression DeRef(x)+10 under an environment env and a store s, we have eval(Plus(DeRef(Ident("x")), Const(10)), env, s).What should be the valuations of env and s to evaluate DeRef(x)+10? Fill up the following blanks.

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