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GMAT 考满分题库

- 数学PS -
x^{6}-y^{6}=
  • A(x^{3}+y^{3})(x^{2}+y^{2})(x-y)
  • B(x^{3}-y^{3})(x^{3}-y^{2})
  • C(x^{2}+y^{2})(x^{2}+y^{2})(x+y)(x-y)
  • D(x^{4}+y^{4})(x+y)(x-y)
  • E(x^{3}+y^{3})(x^{2}+xy+y^{2})(x-y)
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正确答案: E

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