(-20005/6)+(-19992/3)+40003/4+(-11/2)该怎么解答

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答案和解析

(-20005/6)+(-19992/3)+40003/4+(-11/2)
=-40010/12-79968/12+120009/12-66/12
=（-40010-79968+120009-66）/12
=-35/12

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