化简求值 (x²/1+y²/1+xy/2﹚÷x²y²/x+y 当x+y-2013=0(x²分之1+y²分之1+xy分之2﹚÷x²y²分之x+y
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![化简求值 (x²/1+y²/1+xy/2﹚÷x²y²/x+y 当x+y-2013=0(x²分之1+y²分之1+xy分之2﹚÷x²y²分之x+y](/uploads/image/z/3929384-56-4.jpg?t=%E5%8C%96%E7%AE%80%E6%B1%82%E5%80%BC+%EF%BC%88x%26%23178%3B%EF%BC%8F1%EF%BC%8By%26%23178%3B%EF%BC%8F1%EF%BC%8Bxy%EF%BC%8F2%EF%B9%9A%C3%B7x%26%23178%3By%26%23178%3B%EF%BC%8Fx%2By+%E5%BD%93x%2By-2013%3D0%EF%BC%88x%26%23178%3B%E5%88%86%E4%B9%8B1%EF%BC%8By%26%23178%3B%E5%88%86%E4%B9%8B1%EF%BC%8Bxy%E5%88%86%E4%B9%8B2%EF%B9%9A%C3%B7x%26%23178%3By%26%23178%3B%E5%88%86%E4%B9%8Bx%2By)
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化简求值 (x²/1+y²/1+xy/2﹚÷x²y²/x+y 当x+y-2013=0(x²分之1+y²分之1+xy分之2﹚÷x²y²分之x+y
化简求值 (x²/1+y²/1+xy/2﹚÷x²y²/x+y 当x+y-2013=0
(x²分之1+y²分之1+xy分之2﹚÷x²y²分之x+y
化简求值 (x²/1+y²/1+xy/2﹚÷x²y²/x+y 当x+y-2013=0(x²分之1+y²分之1+xy分之2﹚÷x²y²分之x+y
(x²分之1+y²分之1+xy分之2﹚÷x²y²分之x+y
=(1/x+1/y)²×x²y²/(x+y)
=(x+y)²/(x²y²)×x²y²/(x+y)
=x+y;
=2013;
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友情提醒:/这个代表分数线,也代表除号,分数线左侧是分子,右侧是分母
(1/x²+1/y²+2/xy﹚÷(x+y)/x²y
=(1/x+1/y)²*x²y²/(x+y)
=[(x+y)/xy]²*x²y²/(x+y)
=(x+y)²/x²...
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友情提醒:/这个代表分数线,也代表除号,分数线左侧是分子,右侧是分母
(1/x²+1/y²+2/xy﹚÷(x+y)/x²y
=(1/x+1/y)²*x²y²/(x+y)
=[(x+y)/xy]²*x²y²/(x+y)
=(x+y)²/x²y²*x²y²/(x+y)
=x+y
当x+y-2013=0时,x+y=2013
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