已知4-4x+x²与/2y-x/互为相反数,则(x²y+xy²)÷(x+y)的值是——————?
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![已知4-4x+x²与/2y-x/互为相反数,则(x²y+xy²)÷(x+y)的值是——————?](/uploads/image/z/1983974-14-4.jpg?t=%E5%B7%B2%E7%9F%A54-4x%2Bx%26%23178%3B%E4%B8%8E%2F2y-x%2F%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E5%88%99%EF%BC%88x%26%23178%3By%2Bxy%26%23178%3B%EF%BC%89%C3%B7%EF%BC%88x%2By%EF%BC%89%E7%9A%84%E5%80%BC%E6%98%AF%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%3F)
已知4-4x+x²与/2y-x/互为相反数,则(x²y+xy²)÷(x+y)的值是——————?
已知4-4x+x²与/2y-x/互为相反数,则(x²y+xy²)÷(x+y)的值是——————?
已知4-4x+x²与/2y-x/互为相反数,则(x²y+xy²)÷(x+y)的值是——————?
4-4x+x²与/2y-x/互为相反数
﹙4-4x+x²)+│2y-x│=0
(x-2)²+│2y-x│=0
﹛x-2=0
2y-x=0
x=2,y=1
(x²y+xy²)÷(x+y)
xy(x+y)÷(x+y)
=xy
=1×2
=2