设非零复数x,y满足x^2+xy+y^2=0.则代数式[x/(x+y)]^2010-[y/(x+y)]^2010=?
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设非零复数x,y满足x^2+xy+y^2=0.则代数式[x/(x+y)]^2010-[y/(x+y)]^2010=?
设非零复数x,y满足x^2+xy+y^2=0,求代数式(x/x+y)^1990+(y/x+y)^1990的值
一道高中复数四则运算题目我不太懂,设非零复数x,y满足x^2+xy+y^2=0,则代数式[ x/(x+y)]^2010+[ y/(x+y)]^2010的值是多少?
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