수식 61: StartAbsoluteValue, "y" , EndAbsoluteValue equals 10 left brace, negative 10 less than or equal to "x" less than or equal to 10 , right bracey=10−10≤x≤10
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수식 62: StartAbsoluteValue, "x" , EndAbsoluteValue equals 10 left brace, negative 10 less than or equal to "y" less than or equal to 10 , right bracex=10−10≤y≤10
